232431404 has 24 divisors (see below), whose sum is σ = 421848000. Its totient is φ = 111923840.

The previous prime is 232431377. The next prime is 232431439. The reversal of 232431404 is 404134232.

It is a super-2 number, since 2×232431404² = 108048715130822432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232431404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47672 + ... + 52320.

It is an arithmetic number, because the mean of its divisors is an integer number (17577000).

Almost surely, 2^232431404 is an apocalyptic number.

It is an amenable number.

232431404 is a deficient number, since it is larger than the sum of its proper divisors (189416596).

232431404 is a wasteful number, since it uses less digits than its factorization.

232431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 232431404 is about 15245.7011645906. The cubic root of 232431404 is about 614.8439941838.

Adding to 232431404 its reverse (404134232), we get a palindrome (636565636).

The spelling of 232431404 in words is "two hundred thirty-two million, four hundred thirty-one thousand, four hundred four".