23739899 has 2 divisors, whose sum is σ = 23739900. Its totient is φ = 23739898.

The previous prime is 23739883. The next prime is 23739901. The reversal of 23739899 is 99893732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23739899 - 2⁴ = 23739883 is a prime.

It is a Sophie Germain prime.

Together with 23739901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23730899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11869949 + 11869950.

It is an arithmetic number, because the mean of its divisors is an integer number (11869950).

Almost surely, 2^23739899 is an apocalyptic number.

23739899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23739899 is an equidigital number, since it uses as much as digits as its factorization.

23739899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 50.

The square root of 23739899 is about 4872.3607214573. The cubic root of 23739899 is about 287.4040975656.

The spelling of 23739899 in words is "twenty-three million, seven hundred thirty-nine thousand, eight hundred ninety-nine".