232303440 has 40 divisors (see below), whose sum is σ = 720141408. Its totient is φ = 61947520.

The previous prime is 232303403. The next prime is 232303493. The reversal of 232303440 is 44303232.

232303440 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 (40).

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, 483726 + ... + 484205.

Almost surely, 2^232303440 is an apocalyptic number.

232303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232303440 is an abundant number, since it is smaller than the sum of its proper divisors (487837968).

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

232303440 is a wasteful number, since it uses less digits than its factorization.

232303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967947 (or 967941 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 232303440 is about 15241.5038628083. The cubic root of 232303440 is about 614.7311403289.

Adding to 232303440 its reverse (44303232), we get a palindrome (276606672).

The spelling of 232303440 in words is "two hundred thirty-two million, three hundred three thousand, four hundred forty".