23616445065 has 16 divisors (see below), whose sum is σ = 37791802368. Its totient is φ = 12593607296.

The previous prime is 23616445051. The next prime is 23616445109. The reversal of 23616445065 is 56054461632.

It is a cyclic number.

It is not a de Polignac number, because 23616445065 - 2⁶ = 23616445001 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4284 + ... + 217373.

It is an arithmetic number, because the mean of its divisors is an integer number (2361987648).

Almost surely, 2^23616445065 is an apocalyptic number.

It is an amenable number.

23616445065 is a deficient number, since it is larger than the sum of its proper divisors (14175357303).

23616445065 is a wasteful number, since it uses less digits than its factorization.

23616445065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228768.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 23616445065 in words is "twenty-three billion, six hundred sixteen million, four hundred forty-five thousand, sixty-five".