23628131 has 2 divisors, whose sum is σ = 23628132. Its totient is φ = 23628130.

The previous prime is 23628109. The next prime is 23628139. The reversal of 23628131 is 13182632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23628131 - 2⁶ = 23628067 is a prime.

It is a super-2 number, since 2×23628131² = 1116577149106322, which contains 22 as substring.

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 23628131.

It is not a weakly prime, because it can be changed into another prime (23628139) 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, 11814065 + 11814066.

It is an arithmetic number, because the mean of its divisors is an integer number (11814066).

Almost surely, 2^23628131 is an apocalyptic number.

23628131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23628131 is an equidigital number, since it uses as much as digits as its factorization.

23628131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 23628131 is about 4860.8775956611. The cubic root of 23628131 is about 286.9523528084.

The spelling of 23628131 in words is "twenty-three million, six hundred twenty-eight thousand, one hundred thirty-one".