323231404 has 12 divisors (see below), whose sum is σ = 598928904. Its totient is φ = 152108864.

The previous prime is 323231399. The next prime is 323231417. The reversal of 323231404 is 404132323.

It is a happy number.

It is a super-2 number, since 2×323231404² = 208957081063622432, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2376634 + ... + 2376769.

It is an arithmetic number, because the mean of its divisors is an integer number (49910742).

Almost surely, 2^323231404 is an apocalyptic number.

323231404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

323231404 is a deficient number, since it is larger than the sum of its proper divisors (275697500).

323231404 is a wasteful number, since it uses less digits than its factorization.

323231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753424 (or 4753422 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 323231404 is about 17978.6374344665. The cubic root of 323231404 is about 686.2850150293.

Adding to 323231404 its reverse (404132323), we get a palindrome (727363727).

The spelling of 323231404 in words is "three hundred twenty-three million, two hundred thirty-one thousand, four hundred four".