23204971 has 2 divisors, whose sum is σ = 23204972. Its totient is φ = 23204970.

The previous prime is 23204963. The next prime is 23205011. The reversal of 23204971 is 17940232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23204971 - 2³ = 23204963 is a prime.

It is a super-2 number, since 2×23204971² = 1076941358221682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23204911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602485 + 11602486.

It is an arithmetic number, because the mean of its divisors is an integer number (11602486).

Almost surely, 2^23204971 is an apocalyptic number.

23204971 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204971 is an equidigital number, since it uses as much as digits as its factorization.

23204971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23204971 is about 4817.1538277286. The cubic root of 23204971 is about 285.2289982625.

The spelling of 23204971 in words is "twenty-three million, two hundred four thousand, nine hundred seventy-one".