23995219 has 2 divisors, whose sum is σ = 23995220. Its totient is φ = 23995218.

The previous prime is 23995163. The next prime is 23995229. The reversal of 23995219 is 91259932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23995219 - 2¹³ = 23987027 is a prime.

It is a super-2 number, since 2×23995219² = 1151541069715922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23995229) 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, 11997609 + 11997610.

It is an arithmetic number, because the mean of its divisors is an integer number (11997610).

Almost surely, 2^23995219 is an apocalyptic number.

23995219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23995219 is an equidigital number, since it uses as much as digits as its factorization.

23995219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 40.

The square root of 23995219 is about 4898.4915024934. The cubic root of 23995219 is about 288.4307589139.

The spelling of 23995219 in words is "twenty-three million, nine hundred ninety-five thousand, two hundred nineteen".