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123233010313220 = 2251723123112801541
BaseRepresentation
bin11100000001010001101011…
…110011011110100000000100
3121011022221221101001122200022
4130001101223303132200010
5112123022201120010340
61114032244032034312
734646201606342423
oct3401215363364004
9534287841048608
10123233010313220
11362a190a709a85
12119a3471992998
13539ba911c6652
14226071c1c12ba
15e3a8903773b5
hex70146bcde804

123233010313220 has 96 divisors (see below), whose sum is σ = 286158091355136. Its totient is φ = 44340438067200.

The previous prime is 123233010313219. The next prime is 123233010313241. The reversal of 123233010313220 is 22313010332321.

It is a self number, because there is not a number n which added to its sum of digits gives 123233010313220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3225650 + ... + 16027190.

It is an arithmetic number, because the mean of its divisors is an integer number (2980813451616).

Almost surely, 2123233010313220 is an apocalyptic number.

123233010313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123233010313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143079045677568).

123233010313220 is an abundant number, since it is smaller than the sum of its proper divisors (162925081041916).

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

123233010313220 is a wasteful number, since it uses less digits than its factorization.

123233010313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12802821 (or 12802819 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 123233010313220 its reverse (22313010332321), we get a palindrome (145546020645541).

The spelling of 123233010313220 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, ten million, three hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 23 34 46 68 85 92 115 170 230 340 391 460 782 1231 1564 1955 2462 3910 4924 6155 7820 12310 20927 24620 28313 41854 56626 83708 104635 113252 141565 209270 283130 418540 481321 566260 962642 1925284 2406605 4813210 9626420 12801541 25603082 51206164 64007705 128015410 217626197 256030820 294435443 435252394 588870886 870504788 1088130985 1177741772 1472177215 2176261970 2944354430 4352523940 5005402531 5888708860 10010805062 15758696971 20021610124 25027012655 31517393942 50054025310 63034787884 78793484855 100108050620 157586969710 267897848507 315173939420 362450030333 535795697014 724900060666 1071591394028 1339489242535 1449800121332 1812250151665 2678978485070 3624500303330 5357956970140 6161650515661 7249000606660 12323301031322 24646602062644 30808252578305 61616505156610 123233010313220