323020120 has 32 divisors (see below), whose sum is σ = 727830720. Its totient is φ = 129024000.

The previous prime is 323020081. The next prime is 323020129. The reversal of 323020120 is 21020323.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 323020120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323020129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24664 + ... + 35416.

It is an arithmetic number, because the mean of its divisors is an integer number (22744710).

Almost surely, 2^323020120 is an apocalyptic number.

It is an amenable number.

323020120 is an abundant number, since it is smaller than the sum of its proper divisors (404810600).

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

323020120 is a wasteful number, since it uses less digits than its factorization.

323020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 323020120 is about 17972.7605002682. The cubic root of 323020120 is about 686.1354496852.

Adding to 323020120 its reverse (21020323), we get a palindrome (344040443).

The spelling of 323020120 in words is "three hundred twenty-three million, twenty thousand, one hundred twenty".