23056619 has 2 divisors, whose sum is σ = 23056620. Its totient is φ = 23056618.

The previous prime is 23056613. The next prime is 23056667. The reversal of 23056619 is 91665032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23056619 - 2²⁰ = 22008043 is a prime.

It is a super-2 number, since 2×23056619² = 1063215359422322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23056613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528309 + 11528310.

It is an arithmetic number, because the mean of its divisors is an integer number (11528310).

Almost surely, 2^23056619 is an apocalyptic number.

23056619 is a deficient number, since it is larger than the sum of its proper divisors (1).

23056619 is an equidigital number, since it uses as much as digits as its factorization.

23056619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 23056619 is about 4801.7308337723. The cubic root of 23056619 is about 284.6198645939.

The spelling of 23056619 in words is "twenty-three million, fifty-six thousand, six hundred nineteen".