23012520032 has 24 divisors (see below), whose sum is σ = 45460544976. Its totient is φ = 11466984832.

The previous prime is 23012520019. The next prime is 23012520053. The reversal of 23012520032 is 23002521032.

It is a junction number, because it is equal to n+sod(n) for n = 23012519986 and 23012520013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217828 + ... + 1236579.

It is an arithmetic number, because the mean of its divisors is an integer number (1894189374).

Almost surely, 2^23012520032 is an apocalyptic number.

It is an amenable number.

23012520032 is a deficient number, since it is larger than the sum of its proper divisors (22448024944).

23012520032 is a wasteful number, since it uses less digits than its factorization.

23012520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454710 (or 2454702 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 23012520032 in words is "twenty-three billion, twelve million, five hundred twenty thousand, thirty-two".