323041312 has 48 divisors (see below), whose sum is σ = 702227232. Its totient is φ = 145054720.

The previous prime is 323041309. The next prime is 323041319. The reversal of 323041312 is 213140323.

It is a self number, because there is not a number n which added to its sum of digits gives 323041312.

It is not an unprimeable number, because it can be changed into a prime (323041319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23688 + ... + 34744.

It is an arithmetic number, because the mean of its divisors is an integer number (14629734).

Almost surely, 2^323041312 is an apocalyptic number.

323041312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351113616).

323041312 is an abundant number, since it is smaller than the sum of its proper divisors (379185920).

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

323041312 is a wasteful number, since it uses less digits than its factorization.

323041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161 (or 11153 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 323041312 is about 17973.3500494482. The cubic root of 323041312 is about 686.1504541835.

Adding to 323041312 its reverse (213140323), we get a palindrome (536181635).

The spelling of 323041312 in words is "three hundred twenty-three million, forty-one thousand, three hundred twelve".