23003222121 has 24 divisors (see below), whose sum is σ = 38379710304. Its totient is φ = 13121266560.

The previous prime is 23003222111. The next prime is 23003222129. The reversal of 23003222121 is 12122230032.

23003222121 is a `hidden beast` number, since 2 + 300 + 322 + 21 + 21 = 666.

It is not a de Polignac number, because 23003222121 - 2⁵ = 23003222089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23003222094 and 23003222103.

It is not an unprimeable number, because it can be changed into a prime (23003222129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6832311 + ... + 6835676.

It is an arithmetic number, because the mean of its divisors is an integer number (1599154596).

Almost surely, 2^23003222121 is an apocalyptic number.

It is an amenable number.

23003222121 is a deficient number, since it is larger than the sum of its proper divisors (15376488183).

23003222121 is a wasteful number, since it uses less digits than its factorization.

23003222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668021 (or 13668018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23003222121 its reverse (12122230032), we get a palindrome (35125452153).

The spelling of 23003222121 in words is "twenty-three billion, three million, two hundred twenty-two thousand, one hundred twenty-one".