23311020113020 has 48 divisors (see below), whose sum is σ = 49332299563008. Its totient is φ = 9252203388480.

The previous prime is 23311020112997. The next prime is 23311020113021. The reversal of 23311020113020 is 2031102011332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311020113021) 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, 23361157 + ... + 24338563.

It is an arithmetic number, because the mean of its divisors is an integer number (1027756240896).

Almost surely, 2^{23311020113020} is an apocalyptic number.

23311020113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311020113020 is an abundant number, since it is smaller than the sum of its proper divisors (26021279449988).

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

23311020113020 is a wasteful number, since it uses less digits than its factorization.

23311020113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986650 (or 986648 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23311020113020 its reverse (2031102011332), we get a palindrome (25342122124352).

The spelling of 23311020113020 in words is "twenty-three trillion, three hundred eleven billion, twenty million, one hundred thirteen thousand, twenty".