23808709 has 2 divisors, whose sum is σ = 23808710. Its totient is φ = 23808708.

The previous prime is 23808679. The next prime is 23808769. The reversal of 23808709 is 90780832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 91809 = 4870^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 23808709 - 2¹⁷ = 23677637 is a prime.

It is equal to p_1495864 and since 23808709 and 1495864 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23808769) 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, 11904354 + 11904355.

It is an arithmetic number, because the mean of its divisors is an integer number (11904355).

Almost surely, 2^23808709 is an apocalyptic number.

It is an amenable number.

23808709 is a deficient number, since it is larger than the sum of its proper divisors (1).

23808709 is an equidigital number, since it uses as much as digits as its factorization.

23808709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 23808709 is about 4879.4168708976. The cubic root of 23808709 is about 287.6815095786.

The spelling of 23808709 in words is "twenty-three million, eight hundred eight thousand, seven hundred nine".