23173167513123 has 16 divisors (see below), whose sum is σ = 35258473094560. Its totient is φ = 15031243791648.

The previous prime is 23173167513109. The next prime is 23173167513187. The reversal of 23173167513123 is 32131576137132.

23173167513123 is a `hidden beast` number, since 2 + 3 + 1 + 7 + 3 + 1 + 6 + 7 + 513 + 123 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23173167513123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23173167513193) 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, 11598180940 + ... + 11598182937.

It is an arithmetic number, because the mean of its divisors is an integer number (2203654568410).

Almost surely, 2^{23173167513123} is an apocalyptic number.

23173167513123 is a deficient number, since it is larger than the sum of its proper divisors (12085305581437).

23173167513123 is a wasteful number, since it uses less digits than its factorization.

23173167513123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196363923 (or 23196363917 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The spelling of 23173167513123 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred sixty-seven million, five hundred thirteen thousand, one hundred twenty-three".