23023000121 has 4 divisors (see below), whose sum is σ = 25116000144. Its totient is φ = 20930000100.

The previous prime is 23023000111. The next prime is 23023000219. The reversal of 23023000121 is 12100032032.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-23023000121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23023000096 and 23023000105.

It is not an unprimeable number, because it can be changed into a prime (23023000111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046499995 + ... + 1046500016.

It is an arithmetic number, because the mean of its divisors is an integer number (6279000036).

Almost surely, 2^23023000121 is an apocalyptic number.

It is an amenable number.

23023000121 is a deficient number, since it is larger than the sum of its proper divisors (2093000023).

23023000121 is a wasteful number, since it uses less digits than its factorization.

23023000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093000022.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23023000121 its reverse (12100032032), we get a palindrome (35123032153).

The spelling of 23023000121 in words is "twenty-three billion, twenty-three million, one hundred twenty-one", and thus it is an aban number.