323023321220 has 12 divisors (see below), whose sum is σ = 678348974604. Its totient is φ = 129209328480.

The previous prime is 323023321193. The next prime is 323023321241. The reversal of 323023321220 is 22123320323.

It can be written as a sum of positive squares in 2 ways, for example, as 126745968196 + 196277353024 = 356014^2 + 443032^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8075583011 + ... + 8075583050.

It is an arithmetic number, because the mean of its divisors is an integer number (56529081217).

Almost surely, 2^323023321220 is an apocalyptic number.

It is an amenable number.

323023321220 is an abundant number, since it is smaller than the sum of its proper divisors (355325653384).

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

323023321220 is a wasteful number, since it uses less digits than its factorization.

323023321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151166070 (or 16151166068 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 323023321220 its reverse (22123320323), we get a palindrome (345146641543).

The spelling of 323023321220 in words is "three hundred twenty-three billion, twenty-three million, three hundred twenty-one thousand, two hundred twenty".