323120423303020 has 96 divisors (see below), whose sum is σ = 836214086776320. Its totient is φ = 102393561576960.

The previous prime is 323120423302991. The next prime is 323120423303071. The reversal of 323120423303020 is 20303324021323.

It is a super-2 number, since 2×323120423303020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 323120423303020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1481279274 + ... + 1481497393.

It is an arithmetic number, because the mean of its divisors is an integer number (8710563403920).

Almost surely, 2^{323120423303020} is an apocalyptic number.

It is an amenable number.

323120423303020 is an abundant number, since it is smaller than the sum of its proper divisors (513093663473300).

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

323120423303020 is a wasteful number, since it uses less digits than its factorization.

323120423303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962776743 (or 2962776741 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 323120423303020 its reverse (20303324021323), we get a palindrome (343423747324343).

The spelling of 323120423303020 in words is "three hundred twenty-three trillion, one hundred twenty billion, four hundred twenty-three million, three hundred three thousand, twenty".