323112220 has 12 divisors (see below), whose sum is σ = 678535704. Its totient is φ = 129244880.

The previous prime is 323112203. The next prime is 323112241. The reversal of 323112220 is 22211323.

It is a junction number, because it is equal to n+sod(n) for n = 323112194 and 323112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8077786 + ... + 8077825.

It is an arithmetic number, because the mean of its divisors is an integer number (56544642).

Almost surely, 2^323112220 is an apocalyptic number.

It is an amenable number.

323112220 is an abundant number, since it is smaller than the sum of its proper divisors (355423484).

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

323112220 is a wasteful number, since it uses less digits than its factorization.

323112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155620 (or 16155618 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 323112220 is about 17975.3225283999. The cubic root of 323112220 is about 686.2006541581.

Adding to 323112220 its reverse (22211323), we get a palindrome (345323543).

It can be divided in two parts, 3231 and 12220, that added together give a palindrome (15451).

The spelling of 323112220 in words is "three hundred twenty-three million, one hundred twelve thousand, two hundred twenty".