23130121223 has 16 divisors (see below), whose sum is σ = 26342474400. Its totient is φ = 20116010880.

The previous prime is 23130121211. The next prime is 23130121229. The reversal of 23130121223 is 32212103132.

It is a cyclic number.

It is not a de Polignac number, because 23130121223 - 2²⁶ = 23063012359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23130121195 and 23130121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130121229) 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, 297836 + ... + 367377.

It is an arithmetic number, because the mean of its divisors is an integer number (1646404650).

Almost surely, 2^23130121223 is an apocalyptic number.

23130121223 is a deficient number, since it is larger than the sum of its proper divisors (3212353177).

23130121223 is a wasteful number, since it uses less digits than its factorization.

23130121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665362.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23130121223 its reverse (32212103132), we get a palindrome (55342224355).

The spelling of 23130121223 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-one thousand, two hundred twenty-three".