23365415515023 has 12 divisors (see below), whose sum is σ = 35526362771640. Its totient is φ = 14757104535696.

The previous prime is 23365415515007. The next prime is 23365415515097. The reversal of 23365415515023 is 32051551456332.

23365415515023 is a `hidden beast` number, since 2 + 3 + 3 + 6 + 5 + 41 + 551 + 50 + 2 + 3 = 666.

It is not a de Polignac number, because 23365415515023 - 2⁴ = 23365415515007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23365415515023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23365415515523) 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, 68319928236 + ... + 68319928577.

It is an arithmetic number, because the mean of its divisors is an integer number (2960530230970).

Almost surely, 2^{23365415515023} is an apocalyptic number.

23365415515023 is a deficient number, since it is larger than the sum of its proper divisors (12160947256617).

23365415515023 is a wasteful number, since it uses less digits than its factorization.

23365415515023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136639856838 (or 136639856835 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 23365415515023 in words is "twenty-three trillion, three hundred sixty-five billion, four hundred fifteen million, five hundred fifteen thousand, twenty-three".