23202013021 has 8 divisors (see below), whose sum is σ = 25995376224. Its totient is φ = 20522664720.

The previous prime is 23202013013. The next prime is 23202013027. The reversal of 23202013021 is 12031020232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23202013021 - 2³ = 23202013013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23202012986 and 23202013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23202013027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28503295 + ... + 28504108.

It is an arithmetic number, because the mean of its divisors is an integer number (3249422028).

Almost surely, 2^23202013021 is an apocalyptic number.

It is an amenable number.

23202013021 is a deficient number, since it is larger than the sum of its proper divisors (2793363203).

23202013021 is a wasteful number, since it uses less digits than its factorization.

23202013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57007451.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23202013021 its reverse (12031020232), we get a palindrome (35233033253).

The spelling of 23202013021 in words is "twenty-three billion, two hundred two million, thirteen thousand, twenty-one".