23312311132020 has 48 divisors (see below), whose sum is σ = 65285685765888. Its totient is φ = 6215548245120.

The previous prime is 23312311131997. The next prime is 23312311132021. The reversal of 23312311132020 is 2023111321332.

It is a super-2 number, since 2×23312311132020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312311132021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33024604 + ... + 33723123.

It is an arithmetic number, because the mean of its divisors is an integer number (1360118453456).

Almost surely, 2^{23312311132020} is an apocalyptic number.

23312311132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312311132020 is an abundant number, since it is smaller than the sum of its proper divisors (41973374633868).

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

23312311132020 is a wasteful number, since it uses less digits than its factorization.

23312311132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66753560 (or 66753558 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23312311132020 its reverse (2023111321332), we get a palindrome (25335422453352).

The spelling of 23312311132020 in words is "twenty-three trillion, three hundred twelve billion, three hundred eleven million, one hundred thirty-two thousand, twenty".