23024010021 has 4 divisors (see below), whose sum is σ = 30698680032. Its totient is φ = 15349340012.

The previous prime is 23024009947. The next prime is 23024010067. The reversal of 23024010021 is 12001042032.

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 a cyclic number.

It is not a de Polignac number, because 23024010021 - 2⁹ = 23024009509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024010071) 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, 3837335001 + ... + 3837335006.

It is an arithmetic number, because the mean of its divisors is an integer number (7674670008).

Almost surely, 2^23024010021 is an apocalyptic number.

It is an amenable number.

23024010021 is a deficient number, since it is larger than the sum of its proper divisors (7674670011).

23024010021 is an equidigital number, since it uses as much as digits as its factorization.

23024010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674670010.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23024010021 its reverse (12001042032), we get a palindrome (35025052053).

The spelling of 23024010021 in words is "twenty-three billion, twenty-four million, ten thousand, twenty-one".