23442619 has 2 divisors, whose sum is σ = 23442620. Its totient is φ = 23442618.

The previous prime is 23442593. The next prime is 23442623. The reversal of 23442619 is 91624432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23442619 is a prime.

It is a super-2 number, since 2×23442619² = 1099112771158322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23442649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721309 + 11721310.

It is an arithmetic number, because the mean of its divisors is an integer number (11721310).

Almost surely, 2^23442619 is an apocalyptic number.

23442619 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442619 is an equidigital number, since it uses as much as digits as its factorization.

23442619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 23442619 is about 4841.7578419413. The cubic root of 23442619 is about 286.1993939384.

The spelling of 23442619 in words is "twenty-three million, four hundred forty-two thousand, six hundred nineteen".