23271719 has 2 divisors, whose sum is σ = 23271720. Its totient is φ = 23271718.

The previous prime is 23271709. The next prime is 23271727. The reversal of 23271719 is 91717232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23271719 - 2²⁰ = 22223143 is a prime.

It is a super-2 number, since 2×23271719² = 1083145810429922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23271709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11635859 + 11635860.

It is an arithmetic number, because the mean of its divisors is an integer number (11635860).

Almost surely, 2^23271719 is an apocalyptic number.

23271719 is a deficient number, since it is larger than the sum of its proper divisors (1).

23271719 is an equidigital number, since it uses as much as digits as its factorization.

23271719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 23271719 is about 4824.0770101647. The cubic root of 23271719 is about 285.5022190288.

The spelling of 23271719 in words is "twenty-three million, two hundred seventy-one thousand, seven hundred nineteen".