320323301232 has 160 divisors (see below), whose sum is σ = 920207817216. Its totient is φ = 95202508800.

The previous prime is 320323301191. The next prime is 320323301237. The reversal of 320323301232 is 232103323023.

It is a super-2 number, since 2×320323301232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320323301237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7213048 + ... + 7257320.

Almost surely, 2^320323301232 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 320323301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460103908608).

320323301232 is an abundant number, since it is smaller than the sum of its proper divisors (599884515984).

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

320323301232 is a wasteful number, since it uses less digits than its factorization.

320323301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44559 (or 44553 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 320323301232 its reverse (232103323023), we get a palindrome (552426624255).

The spelling of 320323301232 in words is "three hundred twenty billion, three hundred twenty-three million, three hundred one thousand, two hundred thirty-two".