23731925522 has 18 divisors (see below), whose sum is σ = 36000717813. Its totient is φ = 11733175872.

The previous prime is 23731925369. The next prime is 23731925537. The reversal of 23731925522 is 22552913732.

It can be written as a sum of positive squares in 2 ways, for example, as 23670130201 + 61795321 = 153851^2 + 7861^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=108931.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23731925522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21132053 + ... + 21133175.

Almost surely, 2^23731925522 is an apocalyptic number.

23731925522 is a deficient number, since it is larger than the sum of its proper divisors (12268792291).

23731925522 is an frugal number, since it uses more digits than its factorization.

23731925522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 1222 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The spelling of 23731925522 in words is "twenty-three billion, seven hundred thirty-one million, nine hundred twenty-five thousand, five hundred twenty-two".