323115312 has 80 divisors (see below), whose sum is σ = 902942208. Its totient is φ = 98976000.

The previous prime is 323115281. The next prime is 323115319. The reversal of 323115312 is 213511323.

It is not an unprimeable number, because it can be changed into a prime (323115319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155593 + ... + 157655.

Almost surely, 2^323115312 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 323115312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451471104).

323115312 is an abundant number, since it is smaller than the sum of its proper divisors (579826896).

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

323115312 is a wasteful number, since it uses less digits than its factorization.

323115312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2332 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 323115312 is about 17975.4085349958. The cubic root of 323115312 is about 686.2028430010.

Adding to 323115312 its reverse (213511323), we get a palindrome (536626635).

The spelling of 323115312 in words is "three hundred twenty-three million, one hundred fifteen thousand, three hundred twelve".