23133112231 has 2 divisors, whose sum is σ = 23133112232. Its totient is φ = 23133112230.

The previous prime is 23133112217. The next prime is 23133112241. The reversal of 23133112231 is 13221133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23133112231 - 2¹¹ = 23133110183 is a prime.

It is a super-2 number, since 2×23133112231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133112241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566556115 + 11566556116.

It is an arithmetic number, because the mean of its divisors is an integer number (11566556116).

Almost surely, 2^23133112231 is an apocalyptic number.

23133112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133112231 is an equidigital number, since it uses as much as digits as its factorization.

23133112231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 23133112231 its reverse (13221133132), we get a palindrome (36354245363).

The spelling of 23133112231 in words is "twenty-three billion, one hundred thirty-three million, one hundred twelve thousand, two hundred thirty-one".