23123200020 has 48 divisors (see below), whose sum is σ = 64837438848. Its totient is φ = 6157379200.

The previous prime is 23123200019. The next prime is 23123200021. The reversal of 23123200020 is 2000232132.

It is an interprime number because it is at equal distance from previous prime (23123200019) and next prime (23123200021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123200021) 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, 232824 + ... + 316943.

It is an arithmetic number, because the mean of its divisors is an integer number (1350779976).

Almost surely, 2^23123200020 is an apocalyptic number.

23123200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123200020 is an abundant number, since it is smaller than the sum of its proper divisors (41714238828).

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

23123200020 is a wasteful number, since it uses less digits than its factorization.

23123200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550480 (or 550478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23123200020 its reverse (2000232132), we get a palindrome (25123432152).

The spelling of 23123200020 in words is "twenty-three billion, one hundred twenty-three million, two hundred thousand, twenty".