323431443312 has 40 divisors (see below), whose sum is σ = 835631516160. Its totient is φ = 107797540800.

The previous prime is 323431443299. The next prime is 323431443319. The reversal of 323431443312 is 213344134323.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323431443319) 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, 3937 + ... + 804287.

It is an arithmetic number, because the mean of its divisors is an integer number (20890787904).

Almost surely, 2^323431443312 is an apocalyptic number.

It is an amenable number.

323431443312 is an abundant number, since it is smaller than the sum of its proper divisors (512200072848).

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

323431443312 is a wasteful number, since it uses less digits than its factorization.

323431443312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808781 (or 808775 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 323431443312 its reverse (213344134323), we get a palindrome (536775577635).

The spelling of 323431443312 in words is "three hundred twenty-three billion, four hundred thirty-one million, four hundred forty-three thousand, three hundred twelve".