231833972 has 12 divisors (see below), whose sum is σ = 427062720. Its totient is φ = 109816056.

The previous prime is 231833969. The next prime is 231833993. The reversal of 231833972 is 279338132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525148 + ... + 1525299.

It is an arithmetic number, because the mean of its divisors is an integer number (35588560).

Almost surely, 2^231833972 is an apocalyptic number.

It is an amenable number.

231833972 is a deficient number, since it is larger than the sum of its proper divisors (195228748).

231833972 is a wasteful number, since it uses less digits than its factorization.

231833972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050470 (or 3050468 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 231833972 is about 15226.0951001890. The cubic root of 231833972 is about 614.3167523940.

The spelling of 231833972 in words is "two hundred thirty-one million, eight hundred thirty-three thousand, nine hundred seventy-two".