23521521032 has 16 divisors (see below), whose sum is σ = 44850358800. Its totient is φ = 11561425360.

The previous prime is 23521521013. The next prime is 23521521043. The reversal of 23521521032 is 23012512532.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23521520992 and 23521521010.

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, 24916394 + ... + 24917337.

It is an arithmetic number, because the mean of its divisors is an integer number (2803147425).

Almost surely, 2^23521521032 is an apocalyptic number.

It is an amenable number.

23521521032 is a deficient number, since it is larger than the sum of its proper divisors (21328837768).

23521521032 is a wasteful number, since it uses less digits than its factorization.

23521521032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49833796 (or 49833792 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 23521521032 in words is "twenty-three billion, five hundred twenty-one million, five hundred twenty-one thousand, thirty-two".