23103022121 has 4 divisors (see below), whose sum is σ = 23223980544. Its totient is φ = 22982063700.

The previous prime is 23103022073. The next prime is 23103022123. The reversal of 23103022121 is 12122030132.

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 23103022121 - 2³⁰ = 22029280297 is a prime.

It is a super-2 number, since 2×23103022121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23103022121.

It is not an unprimeable number, because it can be changed into a prime (23103022123) 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, 60478925 + ... + 60479306.

It is an arithmetic number, because the mean of its divisors is an integer number (5805995136).

Almost surely, 2^23103022121 is an apocalyptic number.

It is an amenable number.

23103022121 is a deficient number, since it is larger than the sum of its proper divisors (120958423).

23103022121 is a wasteful number, since it uses less digits than its factorization.

23103022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120958422.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23103022121 its reverse (12122030132), we get a palindrome (35225052253).

The spelling of 23103022121 in words is "twenty-three billion, one hundred three million, twenty-two thousand, one hundred twenty-one".