23566130613 has 12 divisors (see below), whose sum is σ = 34959966028. Its totient is φ = 15286138560.

The previous prime is 23566130537. The next prime is 23566130639. The reversal of 23566130613 is 31603166532.

23566130613 is a `hidden beast` number, since 2 + 3 + 5 + 6 + 6 + 1 + 30 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20554096689 + 3012033924 = 143367^2 + 54882^2 .

It is not a de Polignac number, because 23566130613 - 2²⁵ = 23532576181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23566131613) 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, 35384248 + ... + 35384913.

Almost surely, 2^23566130613 is an apocalyptic number.

It is an amenable number.

23566130613 is a deficient number, since it is larger than the sum of its proper divisors (11393835415).

23566130613 is a wasteful number, since it uses less digits than its factorization.

23566130613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70769204 (or 70769201 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 23566130613 in words is "twenty-three billion, five hundred sixty-six million, one hundred thirty thousand, six hundred thirteen".