232431144 has 32 divisors (see below), whose sum is σ = 633903840. Its totient is φ = 70433600.

The previous prime is 232431131. The next prime is 232431163. The reversal of 232431144 is 441134232.

232431144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×232431144² = 108048473402297472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439947 + ... + 440474.

It is an arithmetic number, because the mean of its divisors is an integer number (19809495).

Almost surely, 2^232431144 is an apocalyptic number.

232431144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

232431144 is an abundant number, since it is smaller than the sum of its proper divisors (401472696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232431144 is a wasteful number, since it uses less digits than its factorization.

232431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880441 (or 880437 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 232431144 is about 15245.6926375944. The cubic root of 232431144 is about 614.8437649269.

Adding to 232431144 its reverse (441134232), we get a palindrome (673565376).

The spelling of 232431144 in words is "two hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-four".