23131313628 has 24 divisors (see below), whose sum is σ = 54188104320. Its totient is φ = 7679718000.

The previous prime is 23131313599. The next prime is 23131313701. The reversal of 23131313628 is 82631313132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836848 + ... + 3842871.

It is an arithmetic number, because the mean of its divisors is an integer number (2257837680).

Almost surely, 2^23131313628 is an apocalyptic number.

It is an amenable number.

23131313628 is an abundant number, since it is smaller than the sum of its proper divisors (31056790692).

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

23131313628 is a wasteful number, since it uses less digits than its factorization.

23131313628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679977 (or 7679975 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The spelling of 23131313628 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirteen thousand, six hundred twenty-eight".