23110231 has 2 divisors, whose sum is σ = 23110232. Its totient is φ = 23110230.

The previous prime is 23110223. The next prime is 23110249. The reversal of 23110231 is 13201132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23110231 - 2³ = 23110223 is a prime.

It is a super-2 number, since 2×23110231² = 1068165553746722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555115 + 11555116.

It is an arithmetic number, because the mean of its divisors is an integer number (11555116).

Almost surely, 2^23110231 is an apocalyptic number.

23110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23110231 is an equidigital number, since it uses as much as digits as its factorization.

23110231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23110231 is about 4807.3101626585. The cubic root of 23110231 is about 284.8402962842.

Adding to 23110231 its reverse (13201132), we get a palindrome (36311363).

Subtracting from 23110231 its reverse (13201132), we obtain a palindrome (9909099).

The spelling of 23110231 in words is "twenty-three million, one hundred ten thousand, two hundred thirty-one".