23976579213 has 12 divisors (see below), whose sum is σ = 34989877468. Its totient is φ = 15819598080.

The previous prime is 23976579181. The next prime is 23976579217. The reversal of 23976579213 is 31297567932.

It can be written as a sum of positive squares in 2 ways, for example, as 3263037129 + 20713542084 = 57123^2 + 143922^2 .

It is not a de Polignac number, because 23976579213 - 2⁵ = 23976579181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23976579213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23976579217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13731418 + ... + 13733163.

Almost surely, 2^23976579213 is an apocalyptic number.

It is an amenable number.

23976579213 is a deficient number, since it is larger than the sum of its proper divisors (11013298255).

23976579213 is a wasteful number, since it uses less digits than its factorization.

23976579213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27464684 (or 27464681 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The spelling of 23976579213 in words is "twenty-three billion, nine hundred seventy-six million, five hundred seventy-nine thousand, two hundred thirteen".