23864623 has 2 divisors, whose sum is σ = 23864624. Its totient is φ = 23864622.

The previous prime is 23864611. The next prime is 23864629. The reversal of 23864623 is 32646832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23864623 - 2⁹ = 23864111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23864629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11932311 + 11932312.

It is an arithmetic number, because the mean of its divisors is an integer number (11932312).

Almost surely, 2^23864623 is an apocalyptic number.

23864623 is a deficient number, since it is larger than the sum of its proper divisors (1).

23864623 is an equidigital number, since it uses as much as digits as its factorization.

23864623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 34.

The square root of 23864623 is about 4885.1430889995. The cubic root of 23864623 is about 287.9065371556.

The spelling of 23864623 in words is "twenty-three million, eight hundred sixty-four thousand, six hundred twenty-three".