23427553366165 has 16 divisors (see below), whose sum is σ = 31869060451200. Its totient is φ = 16389802516032.

The previous prime is 23427553366141. The next prime is 23427553366169. The reversal of 23427553366165 is 56166335572432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23427553366165 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427553366169) 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, 9484838185 + ... + 9484840654.

It is an arithmetic number, because the mean of its divisors is an integer number (1991816278200).

Almost surely, 2^{23427553366165} is an apocalyptic number.

It is an amenable number.

23427553366165 is a deficient number, since it is larger than the sum of its proper divisors (8441507085035).

23427553366165 is a wasteful number, since it uses less digits than its factorization.

23427553366165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18969678876.

The product of its digits is 81648000, while the sum is 58.

The spelling of 23427553366165 in words is "twenty-three trillion, four hundred twenty-seven billion, five hundred fifty-three million, three hundred sixty-six thousand, one hundred sixty-five".