38173690923 has 16 divisors (see below), whose sum is σ = 51027154176. Its totient is φ = 25384756320.

The previous prime is 38173690903. The next prime is 38173690937. The reversal of 38173690923 is 32909637183.

It is not a de Polignac number, because 38173690923 - 2⁹ = 38173690411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38173690903) 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, 2116861 + ... + 2134817.

It is an arithmetic number, because the mean of its divisors is an integer number (3189197136).

Almost surely, 2^38173690923 is an apocalyptic number.

38173690923 is a deficient number, since it is larger than the sum of its proper divisors (12853463253).

38173690923 is a wasteful number, since it uses less digits than its factorization.

38173690923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 38173690923 in words is "thirty-eight billion, one hundred seventy-three million, six hundred ninety thousand, nine hundred twenty-three".