231958944 has 144 divisors (see below), whose sum is σ = 787147200. Its totient is φ = 66261888.

The previous prime is 231958939. The next prime is 231958963. The reversal of 231958944 is 449859132.

231958944 is a `hidden beast` number, since 23 + 1 + 9 + 589 + 44 = 666.

231958944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 231958944.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39597 + ... + 45075.

It is an arithmetic number, because the mean of its divisors is an integer number (5466300).

Almost surely, 2^231958944 is an apocalyptic number.

231958944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231958944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393573600).

231958944 is an abundant number, since it is smaller than the sum of its proper divisors (555188256).

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

231958944 is a wasteful number, since it uses less digits than its factorization.

231958944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512 (or 5491 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 231958944 is about 15230.1984228703. The cubic root of 231958944 is about 614.4271167231.

The spelling of 231958944 in words is "two hundred thirty-one million, nine hundred fifty-eight thousand, nine hundred forty-four".