233172328 has 32 divisors (see below), whose sum is σ = 458069760. Its totient is φ = 111133440.

The previous prime is 233172319. The next prime is 233172347. The reversal of 233172328 is 823271332.

233172328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 233172328.

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 7 ways as a sum of consecutive naturals, for example, 9600 + ... + 23632.

It is an arithmetic number, because the mean of its divisors is an integer number (14314680).

Almost surely, 2^233172328 is an apocalyptic number.

It is an amenable number.

233172328 is a deficient number, since it is larger than the sum of its proper divisors (224897432).

233172328 is a wasteful number, since it uses less digits than its factorization.

233172328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137 (or 14133 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 233172328 is about 15269.9812704535. The cubic root of 233172328 is about 615.4966160793.

The spelling of 233172328 in words is "two hundred thirty-three million, one hundred seventy-two thousand, three hundred twenty-eight".