23307173494 has 16 divisors (see below), whose sum is σ = 38516628816. Its totient is φ = 10489276000.

The previous prime is 23307173447. The next prime is 23307173521. The reversal of 23307173494 is 49437170332.

It is a self number, because there is not a number n which added to its sum of digits gives 23307173494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242417 + ... + 5246860.

It is an arithmetic number, because the mean of its divisors is an integer number (2407289301).

Almost surely, 2^23307173494 is an apocalyptic number.

23307173494 is a deficient number, since it is larger than the sum of its proper divisors (15209455322).

23307173494 is a wasteful number, since it uses less digits than its factorization.

23307173494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489391.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 23307173494 in words is "twenty-three billion, three hundred seven million, one hundred seventy-three thousand, four hundred ninety-four".