23113019 has 2 divisors, whose sum is σ = 23113020. Its totient is φ = 23113018.

The previous prime is 23113009. The next prime is 23113037. The reversal of 23113019 is 91031132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23113019 - 2⁴ = 23113003 is a prime.

It is a super-2 number, since 2×23113019² = 1068423294588722, 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 (23113009) 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, 11556509 + 11556510.

It is an arithmetic number, because the mean of its divisors is an integer number (11556510).

Almost surely, 2^23113019 is an apocalyptic number.

23113019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113019 is an equidigital number, since it uses as much as digits as its factorization.

23113019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 23113019 is about 4807.6001289625. The cubic root of 23113019 is about 284.8517501264.

The spelling of 23113019 in words is "twenty-three million, one hundred thirteen thousand, nineteen".