23312011131320 has 48 divisors (see below), whose sum is σ = 55357954445160. Its totient is φ = 8834025265344.

The previous prime is 23312011131313. The next prime is 23312011131523. The reversal of 23312011131320 is 2313111021332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807188162 + ... + 807217041.

Almost surely, 2^{23312011131320} is an apocalyptic number.

23312011131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312011131320 is an abundant number, since it is smaller than the sum of its proper divisors (32045943313840).

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

23312011131320 is a wasteful number, since it uses less digits than its factorization.

23312011131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614405252 (or 1614405229 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23312011131320 its reverse (2313111021332), we get a palindrome (25625122152652).

The spelling of 23312011131320 in words is "twenty-three trillion, three hundred twelve billion, eleven million, one hundred thirty-one thousand, three hundred twenty".