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23321120231 = 312932567557
BaseRepresentation
bin10101101110000011…
…000000110111100111
32020012021210122201202
4111232003000313213
5340230201321411
614414044313115
71453630152113
oct255603006747
966167718652
1023321120231
119988189892
12462a24279b
132278773236
1411b33dc743
159175e183b
hex56e0c0de7

23321120231 has 8 divisors (see below), whose sum is σ = 24155585664. Its totient is φ = 22491790560.

The previous prime is 23321120203. The next prime is 23321120233. The reversal of 23321120231 is 13202112332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23321120231 - 226 = 23254011367 is a prime.

It is a super-2 number, since 2×233211202312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321120233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274696 + ... + 1292861.

It is an arithmetic number, because the mean of its divisors is an integer number (3019448208).

Almost surely, 223321120231 is an apocalyptic number.

23321120231 is a deficient number, since it is larger than the sum of its proper divisors (834465433).

23321120231 is a wasteful number, since it uses less digits than its factorization.

23321120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567881.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23321120231 its reverse (13202112332), we get a palindrome (36523232563).

The spelling of 23321120231 in words is "twenty-three billion, three hundred twenty-one million, one hundred twenty thousand, two hundred thirty-one".

Divisors: 1 31 293 9083 2567557 79594267 752294201 23321120231