23665131085 has 32 divisors (see below), whose sum is σ = 30066422400. Its totient is φ = 17831819520.

The previous prime is 23665131053. The next prime is 23665131101. The reversal of 23665131085 is 58013156632.

It is not a de Polignac number, because 23665131085 - 2⁵ = 23665131053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23177875 + ... + 23178895.

It is an arithmetic number, because the mean of its divisors is an integer number (939575700).

Almost surely, 2^23665131085 is an apocalyptic number.

It is an amenable number.

23665131085 is a deficient number, since it is larger than the sum of its proper divisors (6401291315).

23665131085 is a wasteful number, since it uses less digits than its factorization.

23665131085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 23665131085 in words is "twenty-three billion, six hundred sixty-five million, one hundred thirty-one thousand, eighty-five".