23112300512020 has 12 divisors (see below), whose sum is σ = 48535831075284. Its totient is φ = 9244920204800.

The previous prime is 23112300512009. The next prime is 23112300512027. The reversal of 23112300512020 is 2021500321132.

It can be written as a sum of positive squares in 2 ways, for example, as 6426742150404 + 16685558361616 = 2535102^2 + 4084796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23112300511982 and 23112300512000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112300512027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577807512781 + ... + 577807512820.

It is an arithmetic number, because the mean of its divisors is an integer number (4044652589607).

Almost surely, 2^{23112300512020} is an apocalyptic number.

23112300512020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112300512020 is an abundant number, since it is smaller than the sum of its proper divisors (25423530563264).

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

23112300512020 is a wasteful number, since it uses less digits than its factorization.

23112300512020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155615025610 (or 1155615025608 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 23112300512020 its reverse (2021500321132), we get a palindrome (25133800833152).

The spelling of 23112300512020 in words is "twenty-three trillion, one hundred twelve billion, three hundred million, five hundred twelve thousand, twenty".