23379655565 has 16 divisors (see below), whose sum is σ = 32066227200. Its totient is φ = 16030414080.

The previous prime is 23379655531. The next prime is 23379655567. The reversal of 23379655565 is 56555697332.

It is not a de Polignac number, because 23379655565 - 2²⁸ = 23111220109 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 23379655565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23379655567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576836 + ... + 616034.

It is an arithmetic number, because the mean of its divisors is an integer number (2004139200).

Almost surely, 2^23379655565 is an apocalyptic number.

It is an amenable number.

23379655565 is a deficient number, since it is larger than the sum of its proper divisors (8686571635).

23379655565 is a wasteful number, since it uses less digits than its factorization.

23379655565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56252.

The product of its digits is 25515000, while the sum is 56.

The spelling of 23379655565 in words is "twenty-three billion, three hundred seventy-nine million, six hundred fifty-five thousand, five hundred sixty-five".