23361131 has 2 divisors, whose sum is σ = 23361132. Its totient is φ = 23361130.

The previous prime is 23361113. The next prime is 23361139. The reversal of 23361131 is 13116332.

It is a happy number.

Together with previous prime (23361113) 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 23361131 - 2⁶ = 23361067 is a prime.

It is a super-2 number, since 2×23361131² = 1091484883198322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23361139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11680565 + 11680566.

It is an arithmetic number, because the mean of its divisors is an integer number (11680566).

Almost surely, 2^23361131 is an apocalyptic number.

23361131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23361131 is an equidigital number, since it uses as much as digits as its factorization.

23361131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 23361131 is about 4833.3353908042. The cubic root of 23361131 is about 285.8673933314.

Adding to 23361131 its reverse (13116332), we get a palindrome (36477463).

The spelling of 23361131 in words is "twenty-three million, three hundred sixty-one thousand, one hundred thirty-one".