23636231 has 2 divisors, whose sum is σ = 23636232. Its totient is φ = 23636230.

The previous prime is 23636227. The next prime is 23636233. The reversal of 23636231 is 13263632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23636231 - 2² = 23636227 is a prime.

It is a super-2 number, since 2×23636231² = 1117342831770722, which contains 22 as substring.

Together with 23636233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23636231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23636233) 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, 11818115 + 11818116.

It is an arithmetic number, because the mean of its divisors is an integer number (11818116).

Almost surely, 2^23636231 is an apocalyptic number.

23636231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23636231 is an equidigital number, since it uses as much as digits as its factorization.

23636231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

The square root of 23636231 is about 4861.7107071483. The cubic root of 23636231 is about 286.9851392711.

Adding to 23636231 its reverse (13263632), we get a palindrome (36899863).

The spelling of 23636231 in words is "twenty-three million, six hundred thirty-six thousand, two hundred thirty-one".