11723112131 has 8 divisors (see below), whose sum is σ = 11766360144. Its totient is φ = 11679897600.

The previous prime is 11723112077. The next prime is 11723112139. The reversal of 11723112131 is 13121132711.

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

It is a cyclic number.

It is not a de Polignac number, because 11723112131 - 2³⁰ = 10649370307 is a prime.

It is a super-3 number, since 3×11723112131³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11723112097 and 11723112106.

It is not an unprimeable number, because it can be changed into a prime (11723112139) 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, 853091 + ... + 866723.

It is an arithmetic number, because the mean of its divisors is an integer number (1470795018).

Almost surely, 2^11723112131 is an apocalyptic number.

11723112131 is a deficient number, since it is larger than the sum of its proper divisors (43248013).

11723112131 is a wasteful number, since it uses less digits than its factorization.

11723112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741.

The product of its digits is 252, while the sum is 23.

Adding to 11723112131 its reverse (13121132711), we get a palindrome (24844244842).

The spelling of 11723112131 in words is "eleven billion, seven hundred twenty-three million, one hundred twelve thousand, one hundred thirty-one".