23516112231 has 6 divisors (see below), whose sum is σ = 33967717680. Its totient is φ = 15677408148.

The previous prime is 23516112229. The next prime is 23516112271. The reversal of 23516112231 is 13221161532.

23516112231 is a `hidden beast` number, since 2 + 3 + 516 + 112 + 2 + 31 = 666.

It is not a de Polignac number, because 23516112231 - 2¹ = 23516112229 is a prime.

It is a super-2 number, since 2×23516112231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23516112195 and 23516112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23516112271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306450671 + ... + 1306450688.

It is an arithmetic number, because the mean of its divisors is an integer number (5661286280).

Almost surely, 2^23516112231 is an apocalyptic number.

23516112231 is a deficient number, since it is larger than the sum of its proper divisors (10451605449).

23516112231 is a wasteful number, since it uses less digits than its factorization.

23516112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612901365 (or 2612901362 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

Adding to 23516112231 its reverse (13221161532), we get a palindrome (36737273763).

The spelling of 23516112231 in words is "twenty-three billion, five hundred sixteen million, one hundred twelve thousand, two hundred thirty-one".