323312304 has 80 divisors (see below), whose sum is σ = 956938752. Its totient is φ = 92143104.

The previous prime is 323312287. The next prime is 323312309. The reversal of 323312304 is 403213323.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (323312309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 168052 + ... + 169964.

Almost surely, 2^323312304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323312304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478469376).

323312304 is an abundant number, since it is smaller than the sum of its proper divisors (633626448).

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

323312304 is a wasteful number, since it uses less digits than its factorization.

323312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 323312304 is about 17980.8871861207. The cubic root of 323312304 is about 686.3422658881.

Adding to 323312304 its reverse (403213323), we get a palindrome (726525627).

The spelling of 323312304 in words is "three hundred twenty-three million, three hundred twelve thousand, three hundred four".