23130121203 has 24 divisors (see below), whose sum is σ = 38253692256. Its totient is φ = 13192761600.

The previous prime is 23130121187. The next prime is 23130121211. The reversal of 23130121203 is 30212103132.

It is not a de Polignac number, because 23130121203 - 2⁴ = 23130121187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23130121243) 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 23 ways as a sum of consecutive naturals, for example, 305238 + ... + 373403.

It is an arithmetic number, because the mean of its divisors is an integer number (1593903844).

Almost surely, 2^23130121203 is an apocalyptic number.

23130121203 is a deficient number, since it is larger than the sum of its proper divisors (15123571053).

23130121203 is a wasteful number, since it uses less digits than its factorization.

23130121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679195 (or 679192 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23130121203 its reverse (30212103132), we get a palindrome (53342224335).

The spelling of 23130121203 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-one thousand, two hundred three".