23200101021 has 4 divisors (see below), whose sum is σ = 30933468032. Its totient is φ = 15466734012.

The previous prime is 23200100999. The next prime is 23200101053. The reversal of 23200101021 is 12010100232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23200101021 - 2²³ = 23191712413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23200100988 and 23200101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200101061) 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, 3866683501 + ... + 3866683506.

It is an arithmetic number, because the mean of its divisors is an integer number (7733367008).

Almost surely, 2^23200101021 is an apocalyptic number.

It is an amenable number.

23200101021 is a deficient number, since it is larger than the sum of its proper divisors (7733367011).

23200101021 is an equidigital number, since it uses as much as digits as its factorization.

23200101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7733367010.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23200101021 its reverse (12010100232), we get a palindrome (35210201253).

The spelling of 23200101021 in words is "twenty-three billion, two hundred million, one hundred one thousand, twenty-one".