23012524520 has 32 divisors (see below), whose sum is σ = 52006298400. Its totient is φ = 9164455488.

The previous prime is 23012524511. The next prime is 23012524523. The reversal of 23012524520 is 2542521032.

It is a self number, because there is not a number n which added to its sum of digits gives 23012524520.

It is not an unprimeable number, because it can be changed into a prime (23012524523) 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, 1258130 + ... + 1276289.

It is an arithmetic number, because the mean of its divisors is an integer number (1625196825).

Almost surely, 2^23012524520 is an apocalyptic number.

23012524520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012524520 is an abundant number, since it is smaller than the sum of its proper divisors (28993773880).

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

23012524520 is a wasteful number, since it uses less digits than its factorization.

23012524520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534657 (or 2534653 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 23012524520 in words is "twenty-three billion, twelve million, five hundred twenty-four thousand, five hundred twenty".