23240120131 has 8 divisors (see below), whose sum is σ = 23357258064. Its totient is φ = 23123189760.

The previous prime is 23240120089. The next prime is 23240120143. The reversal of 23240120131 is 13102104232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23240120131 is a prime.

It is a super-2 number, since 2×23240120131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23240120099 and 23240120108.

It is not an unprimeable number, because it can be changed into a prime (23240120191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175096 + ... + 277738.

It is an arithmetic number, because the mean of its divisors is an integer number (2919657258).

Almost surely, 2^23240120131 is an apocalyptic number.

23240120131 is a deficient number, since it is larger than the sum of its proper divisors (117137933).

23240120131 is a wasteful number, since it uses less digits than its factorization.

23240120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103781.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23240120131 its reverse (13102104232), we get a palindrome (36342224363).

The spelling of 23240120131 in words is "twenty-three billion, two hundred forty million, one hundred twenty thousand, one hundred thirty-one".