23157419 has 2 divisors, whose sum is σ = 23157420. Its totient is φ = 23157418.

The previous prime is 23157401. The next prime is 23157437. The reversal of 23157419 is 91475132.

It is a balanced prime because it is at equal distance from previous prime (23157401) and next prime (23157437).

It is a cyclic number.

It is not a de Polignac number, because 23157419 - 2⁸ = 23157163 is a prime.

It is a super-2 number, since 2×23157419² = 1072532109483122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23157439) 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, 11578709 + 11578710.

It is an arithmetic number, because the mean of its divisors is an integer number (11578710).

Almost surely, 2^23157419 is an apocalyptic number.

23157419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157419 is an equidigital number, since it uses as much as digits as its factorization.

23157419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 23157419 is about 4812.2156019863. The cubic root of 23157419 is about 285.0340330754.

The spelling of 23157419 in words is "twenty-three million, one hundred fifty-seven thousand, four hundred nineteen".