23003122021 has 16 divisors (see below), whose sum is σ = 25515027648. Its totient is φ = 20561587200.

The previous prime is 23003122007. The next prime is 23003122031. The reversal of 23003122021 is 12022130032.

It is not a de Polignac number, because 23003122021 - 2⁹ = 23003121509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23003121986 and 23003122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003122031) 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 15 ways as a sum of consecutive naturals, for example, 2697861 + ... + 2706373.

It is an arithmetic number, because the mean of its divisors is an integer number (1594689228).

Almost surely, 2^23003122021 is an apocalyptic number.

It is an amenable number.

23003122021 is a deficient number, since it is larger than the sum of its proper divisors (2511905627).

23003122021 is a wasteful number, since it uses less digits than its factorization.

23003122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612.

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

Adding to 23003122021 its reverse (12022130032), we get a palindrome (35025252053).

The spelling of 23003122021 in words is "twenty-three billion, three million, one hundred twenty-two thousand, twenty-one".