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23310221012320 = 2551125307523351
BaseRepresentation
bin1010100110011010101010…
…11100010110110101100000
310001112102202101022000212211
411103031111130112311200
511023403313034343240
6121324322342331504
74624052002254154
oct523152534266540
9101472671260784
1023310221012320
11747789a079930
122745815a29b94
1310011b5363108
145a831390b064
152a6544251bea
hex153355716d60

23310221012320 has 96 divisors (see below), whose sum is σ = 60079285598976. Its totient is φ = 8476092864000.

The previous prime is 23310221012303. The next prime is 23310221012341. The reversal of 23310221012320 is 2321012201332.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23310221012291 and 23310221012300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44278645 + ... + 44801995.

It is an arithmetic number, because the mean of its divisors is an integer number (625825891656).

Almost surely, 223310221012320 is an apocalyptic number.

23310221012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310221012320 is an abundant number, since it is smaller than the sum of its proper divisors (36769064586656).

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

23310221012320 is a wasteful number, since it uses less digits than its factorization.

23310221012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548684 (or 548676 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23310221012320 its reverse (2321012201332), we get a palindrome (25631233213652).

The spelling of 23310221012320 in words is "twenty-three trillion, three hundred ten billion, two hundred twenty-one million, twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 25307 50614 101228 126535 202456 253070 278377 404912 506140 523351 556754 809824 1012280 1046702 1113508 1391885 2024560 2093404 2227016 2616755 2783770 4049120 4186808 4454032 5233510 5567540 5756861 8373616 8908064 10467020 11135080 11513722 16747232 20934040 22270160 23027444 28784305 41868080 44540320 46054888 57568610 83736160 92109776 115137220 184219552 230274440 460548880 921097760 13244443757 26488887514 52977775028 66222218785 105955550056 132444437570 145688881327 211911100112 264888875140 291377762654 423822200224 529777750280 582755525308 728444406635 1059555500560 1165511050616 1456888813270 2119111001120 2331022101232 2913777626540 4662044202464 5827555253080 11655110506160 23310221012320