923172832 has 24 divisors (see below), whose sum is σ = 1818524736. Its totient is φ = 461325312.

The previous prime is 923172821. The next prime is 923172857. The reversal of 923172832 is 238271329.

It is a junction number, because it is equal to n+sod(n) for n = 923172791 and 923172800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57393 + ... + 71695.

It is an arithmetic number, because the mean of its divisors is an integer number (75771864).

Almost surely, 2^923172832 is an apocalyptic number.

It is an amenable number.

923172832 is a deficient number, since it is larger than the sum of its proper divisors (895351904).

923172832 is a wasteful number, since it uses less digits than its factorization.

923172832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330 (or 16322 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 923172832 is about 30383.7593460717. The cubic root of 923172832 is about 973.7056089354.

It can be divided in two parts, 923 and 172832, that added together give a triangular number (173755 = T₅₈₉).

The spelling of 923172832 in words is "nine hundred twenty-three million, one hundred seventy-two thousand, eight hundred thirty-two".