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123221232001230 = 235116716481338153
BaseRepresentation
bin11100000001000110101101…
…110000110010000011001110
3121011021211112112002102002220
4130001012231300302003032
5112122324040343014410
61114023015202000210
734645303666342416
oct3401065560620316
9534254475072086
10123221232001230
1136297916103940
12119a1125346066
13539a934c7097c
14225dd21bcd646
15e3a4012e7070
hex7011adc320ce

123221232001230 has 128 divisors (see below), whose sum is σ = 327451582803456. Its totient is φ = 29424093388800.

The previous prime is 123221232001223. The next prime is 123221232001271. The reversal of 123221232001230 is 32100232122321.

It is a self number, because there is not a number n which added to its sum of digits gives 123221232001230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 364225834 + ... + 364563986.

It is an arithmetic number, because the mean of its divisors is an integer number (2558215490652).

Almost surely, 2123221232001230 is an apocalyptic number.

123221232001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123221232001230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163725791401728).

123221232001230 is an abundant number, since it is smaller than the sum of its proper divisors (204230350802226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123221232001230 is a wasteful number, since it uses less digits than its factorization.

123221232001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354722.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123221232001230 its reverse (32100232122321), we get a palindrome (155321464123551).

The spelling of 123221232001230 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 67 110 134 165 201 330 335 402 670 737 1005 1474 2010 2211 3685 4422 7370 11055 16481 22110 32962 49443 82405 98886 164810 181291 247215 338153 362582 494430 543873 676306 906455 1014459 1087746 1104227 1690765 1812910 2028918 2208454 2719365 3312681 3381530 3719683 5072295 5438730 5521135 6625362 7439366 10144590 11042270 11159049 12146497 16563405 18598415 22318098 22656251 24292994 33126810 36439491 37196830 45312502 55795245 60732485 67968753 72878982 111590490 113281255 121464970 135937506 182197455 226562510 249218761 339843765 364394910 498437522 679687530 747656283 1246093805 1495312566 2492187610 3738281415 5573099593 7476562830 11146199186 16719298779 27865497965 33438597558 55730995930 61304095523 83596493895 122608191046 167192987790 183912286569 306520477615 367824573138 373397672731 613040955230 746795345462 919561432845 1120193018193 1839122865690 1866988363655 2240386036386 3733976727310 4107374400041 5600965090965 8214748800082 11201930181930 12322123200123 20536872000205 24644246400246 41073744000410 61610616000615 123221232001230