232401144 has 32 divisors (see below), whose sum is σ = 596707920. Its totient is φ = 75373056.

The previous prime is 232401139. The next prime is 232401193. The reversal of 232401144 is 441104232.

It is a self number, because there is not a number n which added to its sum of digits gives 232401144.

It is a congruent number.

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, 129969 + ... + 131744.

Almost surely, 2^232401144 is an apocalyptic number.

232401144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

232401144 is an abundant number, since it is smaller than the sum of its proper divisors (364306776).

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

232401144 is a wasteful number, since it uses less digits than its factorization.

232401144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261759 (or 261755 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 232401144 is about 15244.7087213892. The cubic root of 232401144 is about 614.8173110616.

Adding to 232401144 its reverse (441104232), we get a palindrome (673505376).

The spelling of 232401144 in words is "two hundred thirty-two million, four hundred one thousand, one hundred forty-four".