232403840 has 64 divisors (see below), whose sum is σ = 558547920. Its totient is φ = 92467200.

The previous prime is 232403813. The next prime is 232403879. The reversal of 232403840 is 48304232.

232403840 is digitally balanced in base 3, 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 (64).

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 7 ways as a sum of consecutive naturals, for example, 134180 + ... + 135900.

Almost surely, 2^232403840 is an apocalyptic number.

232403840 is a gapful number since it is divisible by the number (20) 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 232403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279273960).

232403840 is an abundant number, since it is smaller than the sum of its proper divisors (326144080).

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

232403840 is a wasteful number, since it uses less digits than its factorization.

232403840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 232403840 is about 15244.7971452558. The cubic root of 232403840 is about 614.8196884754.

The spelling of 232403840 in words is "two hundred thirty-two million, four hundred three thousand, eight hundred forty".