23024330021 has 16 divisors (see below), whose sum is σ = 29953732608. Its totient is φ = 17160990000.

The previous prime is 23024330009. The next prime is 23024330047. The reversal of 23024330021 is 12003342032.

It is not a de Polignac number, because 23024330021 - 2⁶ = 23024329957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23024329975 and 23024330002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024330221) 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, 6498605 + ... + 6502146.

It is an arithmetic number, because the mean of its divisors is an integer number (1872108288).

Almost surely, 2^23024330021 is an apocalyptic number.

It is an amenable number.

23024330021 is a deficient number, since it is larger than the sum of its proper divisors (6929402587).

23024330021 is a wasteful number, since it uses less digits than its factorization.

23024330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000792.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23024330021 its reverse (12003342032), we get a palindrome (35027672053).

The spelling of 23024330021 in words is "twenty-three billion, twenty-four million, three hundred thirty thousand, twenty-one".