23131121130129 has 32 divisors (see below), whose sum is σ = 31644485646336. Its totient is φ = 15022343920320.

The previous prime is 23131121130127. The next prime is 23131121130179. The reversal of 23131121130129 is 92103112113132.

It is not a de Polignac number, because 23131121130129 - 2¹ = 23131121130127 is a prime.

It is a super-3 number, since 3×23131121130129³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23131121130096 and 23131121130105.

It is not an unprimeable number, because it can be changed into a prime (23131121130127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128802459 + ... + 128981919.

It is an arithmetic number, because the mean of its divisors is an integer number (988890176448).

Almost surely, 2^{23131121130129} is an apocalyptic number.

It is an amenable number.

23131121130129 is a deficient number, since it is larger than the sum of its proper divisors (8513364516207).

23131121130129 is a wasteful number, since it uses less digits than its factorization.

23131121130129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183765.

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 23131121130129 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, one hundred twenty-nine".