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23320130120 = 23571717328319
BaseRepresentation
bin10101101101111111…
…001111001001001000
32020012012221100112222
4111231333033021020
5340224423130440
614414011153212
71453615556360
oct255577171110
966165840488
1023320130120
119987672a11
124629a45808
1322784b7681
1411b32219a0
159174982b5
hex56dfcf248

23320130120 has 128 divisors (see below), whose sum is σ = 63862732800. Its totient is φ = 7481389056.

The previous prime is 23320130059. The next prime is 23320130131. The reversal of 23320130120 is 2103102332.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 809321 + ... + 837639.

It is an arithmetic number, because the mean of its divisors is an integer number (498927600).

Almost surely, 223320130120 is an apocalyptic number.

23320130120 is a gapful number since it is divisible by the number (20) 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 23320130120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31931366400).

23320130120 is an abundant number, since it is smaller than the sum of its proper divisors (40542602680).

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

23320130120 is a wasteful number, since it uses less digits than its factorization.

23320130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28527 (or 28523 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23320130120 its reverse (2103102332), we get a palindrome (25423232452).

The spelling of 23320130120 in words is "twenty-three billion, three hundred twenty million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 173 238 280 340 346 476 595 680 692 865 952 1190 1211 1384 1730 2380 2422 2941 3460 4760 4844 5882 6055 6920 9688 11764 12110 14705 20587 23528 24220 28319 29410 41174 48440 56638 58820 82348 102935 113276 117640 141595 164696 198233 205870 226552 283190 396466 411740 481423 566380 792932 823480 962846 991165 1132760 1585864 1925692 1982330 2407115 3369961 3851384 3964660 4814230 4899187 6739922 7929320 9628460 9798374 13479844 16849805 19256920 19596748 24495935 26959688 33699610 34294309 39193496 48991870 67399220 68588618 83286179 97983740 134798440 137177236 166572358 171471545 195967480 274354472 333144716 342943090 416430895 583003253 666289432 685886180 832861790 1166006506 1371772360 1665723580 2332013012 2915016265 3331447160 4664026024 5830032530 11660065060 23320130120