23215251232 has 48 divisors (see below), whose sum is σ = 49662547200. Its totient is φ = 10641957120.

The previous prime is 23215251211. The next prime is 23215251233.

23215251232 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 23215251232.

It is not an unprimeable number, because it can be changed into a prime (23215251233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597007 + ... + 634702.

It is an arithmetic number, because the mean of its divisors is an integer number (1034636400).

Almost surely, 2^23215251232 is an apocalyptic number.

It is an amenable number.

23215251232 is an abundant number, since it is smaller than the sum of its proper divisors (26447295968).

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

23215251232 is a wasteful number, since it uses less digits than its factorization.

23215251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231769 (or 1231761 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The spelling of 23215251232 in words is "twenty-three billion, two hundred fifteen million, two hundred fifty-one thousand, two hundred thirty-two".