23113312231 has 2 divisors, whose sum is σ = 23113312232. Its totient is φ = 23113312230.

The previous prime is 23113312213. The next prime is 23113312241. The reversal of 23113312231 is 13221331132.

Together with previous prime (23113312213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23113312231 - 2⁵ = 23113312199 is a prime.

It is a super-2 number, since 2×23113312231² (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 (23113312241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556656115 + 11556656116.

It is an arithmetic number, because the mean of its divisors is an integer number (11556656116).

Almost surely, 2^23113312231 is an apocalyptic number.

23113312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113312231 is an equidigital number, since it uses as much as digits as its factorization.

23113312231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23113312231 its reverse (13221331132), we get a palindrome (36334643363).

The spelling of 23113312231 in words is "twenty-three billion, one hundred thirteen million, three hundred twelve thousand, two hundred thirty-one".