323431968 has 24 divisors (see below), whose sum is σ = 849009168. Its totient is φ = 107810624.

The previous prime is 323431967. The next prime is 323432009. The reversal of 323431968 is 869134323.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (323431961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684446 + ... + 1684637.

It is an arithmetic number, because the mean of its divisors is an integer number (35375382).

Almost surely, 2^323431968 is an apocalyptic number.

It is an amenable number.

323431968 is an abundant number, since it is smaller than the sum of its proper divisors (525577200).

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

323431968 is a wasteful number, since it uses less digits than its factorization.

323431968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369096 (or 3369088 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 323431968 is about 17984.2144115332. The cubic root of 323431968 is about 686.4269315290.

The spelling of 323431968 in words is "three hundred twenty-three million, four hundred thirty-one thousand, nine hundred sixty-eight".