23315331320 has 64 divisors (see below), whose sum is σ = 53061765120. Its totient is φ = 9219383424.

The previous prime is 23315331317. The next prime is 23315331401. The reversal of 23315331320 is 2313351332.

It is a super-2 number, since 2×23315331320² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23315331320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2496179 + ... + 2505501.

It is an arithmetic number, because the mean of its divisors is an integer number (829090080).

Almost surely, 2^23315331320 is an apocalyptic number.

23315331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23315331320 is an abundant number, since it is smaller than the sum of its proper divisors (29746433800).

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

23315331320 is a wasteful number, since it uses less digits than its factorization.

23315331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044 (or 10040 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 23315331320 its reverse (2313351332), we get a palindrome (25628682652).

The spelling of 23315331320 in words is "twenty-three billion, three hundred fifteen million, three hundred thirty-one thousand, three hundred twenty".