23730719 has 2 divisors, whose sum is σ = 23730720. Its totient is φ = 23730718.

The previous prime is 23730713. The next prime is 23730737. The reversal of 23730719 is 91703732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23730719 - 2⁴ = 23730703 is a prime.

It is a super-2 number, since 2×23730719² = 1126294048513922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23730713) 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, 11865359 + 11865360.

It is an arithmetic number, because the mean of its divisors is an integer number (11865360).

Almost surely, 2^23730719 is an apocalyptic number.

23730719 is a deficient number, since it is larger than the sum of its proper divisors (1).

23730719 is an equidigital number, since it uses as much as digits as its factorization.

23730719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 23730719 is about 4871.4185818917. The cubic root of 23730719 is about 287.3670472849.

The spelling of 23730719 in words is "twenty-three million, seven hundred thirty thousand, seven hundred nineteen".