23111321130 has 24 divisors (see below), whose sum is σ = 60089435172. Its totient is φ = 6163018944.

The previous prime is 23111321111. The next prime is 23111321179. The reversal of 23111321130 is 3112311132.

23111321130 is a `hidden beast` number, since 2 + 311 + 1 + 321 + 1 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23095184841 + 16136289 = 151971^2 + 4017^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128396139 + ... + 128396318.

Almost surely, 2^23111321130 is an apocalyptic number.

23111321130 is an abundant number, since it is smaller than the sum of its proper divisors (36978114042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111321130 is a wasteful number, since it uses less digits than its factorization.

23111321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256792470 (or 256792467 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23111321130 its reverse (3112311132), we get a palindrome (26223632262).

The spelling of 23111321130 in words is "twenty-three billion, one hundred eleven million, three hundred twenty-one thousand, one hundred thirty".