23131936272 has 40 divisors (see below), whose sum is σ = 60349173120. Its totient is φ = 7634300800.

The previous prime is 23131936259. The next prime is 23131936273. The reversal of 23131936272 is 27263913132.

It is a self number, because there is not a number n which added to its sum of digits gives 23131936272.

It is not an unprimeable number, because it can be changed into a prime (23131936273) 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, 2380872 + ... + 2390567.

It is an arithmetic number, because the mean of its divisors is an integer number (1508729328).

Almost surely, 2^23131936272 is an apocalyptic number.

It is an amenable number.

23131936272 is an abundant number, since it is smaller than the sum of its proper divisors (37217236848).

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

23131936272 is a wasteful number, since it uses less digits than its factorization.

23131936272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771551 (or 4771545 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The spelling of 23131936272 in words is "twenty-three billion, one hundred thirty-one million, nine hundred thirty-six thousand, two hundred seventy-two".