23116619 has 2 divisors, whose sum is σ = 23116620. Its totient is φ = 23116618.

The previous prime is 23116609. The next prime is 23116627. The reversal of 23116619 is 91661132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23116619 - 2⁴ = 23116603 is a prime.

It is a super-2 number, since 2×23116619² = 1068756147982322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23116591 and 23116600.

It is not a weakly prime, because it can be changed into another prime (23116609) 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, 11558309 + 11558310.

It is an arithmetic number, because the mean of its divisors is an integer number (11558310).

Almost surely, 2^23116619 is an apocalyptic number.

23116619 is a deficient number, since it is larger than the sum of its proper divisors (1).

23116619 is an equidigital number, since it uses as much as digits as its factorization.

23116619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 23116619 is about 4807.9745215631. The cubic root of 23116619 is about 284.8665385171.

The spelling of 23116619 in words is "twenty-three million, one hundred sixteen thousand, six hundred nineteen".