23290523631 has 6 divisors (see below), whose sum is σ = 33641867480. Its totient is φ = 15527015748.

The previous prime is 23290523567. The next prime is 23290523687. The reversal of 23290523631 is 13632509232.

23290523631 is a `hidden beast` number, since 2 + 3 + 290 + 5 + 2 + 363 + 1 = 666.

It is not a de Polignac number, because 23290523631 - 2⁶ = 23290523567 is a prime.

It is a super-2 number, since 2×23290523631² (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 (23290525631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1293917971 + ... + 1293917988.

Almost surely, 2^23290523631 is an apocalyptic number.

23290523631 is a deficient number, since it is larger than the sum of its proper divisors (10351343849).

23290523631 is a wasteful number, since it uses less digits than its factorization.

23290523631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587835965 (or 2587835962 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 23290523631 in words is "twenty-three billion, two hundred ninety million, five hundred twenty-three thousand, six hundred thirty-one".