323120330320 has 20 divisors (see below), whose sum is σ = 751254768180. Its totient is φ = 129248132096.

The previous prime is 323120330279. The next prime is 323120330333. The reversal of 323120330320 is 23033021323.

It can be written as a sum of positive squares in 2 ways, for example, as 188821535296 + 134298795024 = 434536^2 + 366468^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×323120330320² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323120330291 and 323120330300.

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, 2019501985 + ... + 2019502144.

It is an arithmetic number, because the mean of its divisors is an integer number (37562738409).

Almost surely, 2^323120330320 is an apocalyptic number.

It is an amenable number.

323120330320 is an abundant number, since it is smaller than the sum of its proper divisors (428134437860).

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

323120330320 is a wasteful number, since it uses less digits than its factorization.

323120330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039004142 (or 4039004136 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 323120330320 its reverse (23033021323), we get a palindrome (346153351643).

The spelling of 323120330320 in words is "three hundred twenty-three billion, one hundred twenty million, three hundred thirty thousand, three hundred twenty".