323361220 has 144 divisors (see below), whose sum is σ = 855912960. Its totient is φ = 100459008.

The previous prime is 323361191. The next prime is 323361257. The reversal of 323361220 is 22163323.

It is a junction number, because it is equal to n+sod(n) for n = 323361191 and 323361200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1869054 + ... + 1869226.

It is an arithmetic number, because the mean of its divisors is an integer number (5943840).

Almost surely, 2^323361220 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 323361220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427956480).

323361220 is an abundant number, since it is smaller than the sum of its proper divisors (532551740).

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

323361220 is a wasteful number, since it uses less digits than its factorization.

323361220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 323361220 is about 17982.2473567683. The cubic root of 323361220 is about 686.3768778559.

The spelling of 323361220 in words is "three hundred twenty-three million, three hundred sixty-one thousand, two hundred twenty".