23204615021 has 8 divisors (see below), whose sum is σ = 26658407424. Its totient is φ = 19785534480.

The previous prime is 23204614991. The next prime is 23204615023. The reversal of 23204615021 is 12051640232.

It is a happy number.

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 23204615021 - 2²² = 23200420717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23204615023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8676530 + ... + 8679203.

It is an arithmetic number, because the mean of its divisors is an integer number (3332300928).

Almost surely, 2^23204615021 is an apocalyptic number.

It is an amenable number.

23204615021 is a deficient number, since it is larger than the sum of its proper divisors (3453792403).

23204615021 is a wasteful number, since it uses less digits than its factorization.

23204615021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355931.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 23204615021 in words is "twenty-three billion, two hundred four million, six hundred fifteen thousand, twenty-one".