23137619 has 2 divisors, whose sum is σ = 23137620. Its totient is φ = 23137618.

The previous prime is 23137607. The next prime is 23137633. The reversal of 23137619 is 91673132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23137619 - 2⁴ = 23137603 is a prime.

It is a super-2 number, since 2×23137619² = 1070698825978322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23137819) 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, 11568809 + 11568810.

It is an arithmetic number, because the mean of its divisors is an integer number (11568810).

Almost surely, 2^23137619 is an apocalyptic number.

23137619 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137619 is an equidigital number, since it uses as much as digits as its factorization.

23137619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 23137619 is about 4810.1578976163. The cubic root of 23137619 is about 284.9527735433.

The spelling of 23137619 in words is "twenty-three million, one hundred thirty-seven thousand, six hundred nineteen".