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23312103230 = 251317312271499
BaseRepresentation
bin10101101101100000…
…100111011100111110
32020011122211112201202
4111231200213130332
5340220344300410
614413123135502
71453460415353
oct255540473476
966148745652
1023312103230
119983090219
124627214592
132276936c30
1411b213262a
1591690eca5
hex56d82773e

23312103230 has 128 divisors (see below), whose sum is σ = 49641984000. Its totient is φ = 7800145920.

The previous prime is 23312103229. The next prime is 23312103271. The reversal of 23312103230 is 3230121332.

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, 15551021 + ... + 15552519.

It is an arithmetic number, because the mean of its divisors is an integer number (387828000).

Almost surely, 223312103230 is an apocalyptic number.

23312103230 is an abundant number, since it is smaller than the sum of its proper divisors (26329880770).

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

23312103230 is a wasteful number, since it uses less digits than its factorization.

23312103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23312103230 its reverse (3230121332), we get a palindrome (26542224562).

The spelling of 23312103230 in words is "twenty-three billion, three hundred twelve million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 13 17 26 31 34 62 65 85 130 155 170 221 227 310 403 442 454 527 806 1054 1105 1135 1499 2015 2210 2270 2635 2951 2998 3859 4030 5270 5902 6851 7037 7495 7718 13702 14074 14755 14990 19295 19487 25483 29510 34255 35185 38590 38974 46469 50167 50966 68510 70370 91481 92938 97435 100334 119629 127415 182962 194870 232345 239258 250835 254830 331279 340273 457405 464690 501670 598145 604097 662558 680546 789973 914810 1196290 1208194 1555177 1579946 1656395 1701365 3020485 3110354 3312790 3402730 3949865 4423549 5784641 6040970 7775885 7899730 8847098 10269649 10548463 11569282 15551770 20539298 21096926 22117745 28923205 44235490 51348245 52742315 57846410 75200333 102696490 105484630 137130019 150400666 179323871 274260038 358647742 376001665 685650095 752003330 896619355 1371300190 1793238710 2331210323 4662420646 11656051615 23312103230