323321232 has 160 divisors (see below), whose sum is σ = 986186880. Its totient is φ = 90316800.

The previous prime is 323321213. The next prime is 323321263. The reversal of 323321232 is 232123323.

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

It is a junction number, because it is equal to n+sod(n) for n = 323321199 and 323321208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307107 + ... + 308157.

It is an arithmetic number, because the mean of its divisors is an integer number (6163668).

Almost surely, 2^323321232 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 323321232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493093440).

323321232 is an abundant number, since it is smaller than the sum of its proper divisors (662865648).

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

323321232 is a wasteful number, since it uses less digits than its factorization.

323321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1115 counting only the distinct ones).

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

The square root of 323321232 is about 17981.1354480188. The cubic root of 323321232 is about 686.3485834199.

Adding to 323321232 its reverse (232123323), we get a palindrome (555444555).

The spelling of 323321232 in words is "three hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-two".