23213232331320 has 64 divisors (see below), whose sum is σ = 69826398729120. Its totient is φ = 6173599578624.

The previous prime is 23213232331313. The next prime is 23213232331361. The reversal of 23213232331320 is 2313323231232.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 259263019 + ... + 259352538.

Almost surely, 2^{23213232331320} is an apocalyptic number.

23213232331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213232331320 is an abundant number, since it is smaller than the sum of its proper divisors (46613166397800).

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

23213232331320 is a wasteful number, since it uses less digits than its factorization.

23213232331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518615944 (or 518615940 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 23213232331320 its reverse (2313323231232), we get a palindrome (25526555562552).

The spelling of 23213232331320 in words is "twenty-three trillion, two hundred thirteen billion, two hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty".