928123172 has 12 divisors (see below), whose sum is σ = 1709700720. Its totient is φ = 439637256.

The previous prime is 928123171. The next prime is 928123187. The reversal of 928123172 is 271321829.

It is a super-2 number, since 2×928123172² = 1722825244806683168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (928123171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105998 + ... + 6106149.

It is an arithmetic number, because the mean of its divisors is an integer number (142475060).

Almost surely, 2^928123172 is an apocalyptic number.

It is an amenable number.

928123172 is a deficient number, since it is larger than the sum of its proper divisors (781577548).

928123172 is a wasteful number, since it uses less digits than its factorization.

928123172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212170 (or 12212168 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 928123172 is about 30465.1140158707. The cubic root of 928123172 is about 975.4429447392.

The spelling of 928123172 in words is "nine hundred twenty-eight million, one hundred twenty-three thousand, one hundred seventy-two".