323021132120 has 64 divisors (see below), whose sum is σ = 750460688640. Its totient is φ = 125004096000.

The previous prime is 323021132113. The next prime is 323021132149. The reversal of 323021132120 is 21231120323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323021132092 and 323021132101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4444070 + ... + 4516170.

It is an arithmetic number, because the mean of its divisors is an integer number (11725948260).

Almost surely, 2^323021132120 is an apocalyptic number.

It is an amenable number.

323021132120 is an abundant number, since it is smaller than the sum of its proper divisors (427439556520).

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

323021132120 is a wasteful number, since it uses less digits than its factorization.

323021132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75756 (or 75752 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323021132120 its reverse (21231120323), we get a palindrome (344252252443).

The spelling of 323021132120 in words is "three hundred twenty-three billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty".