23097187 has 2 divisors, whose sum is σ = 23097188. Its totient is φ = 23097186.

The previous prime is 23097181. The next prime is 23097197. The reversal of 23097187 is 78179032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23097187 - 2¹⁹ = 22572899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23097181) 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, 11548593 + 11548594.

It is an arithmetic number, because the mean of its divisors is an integer number (11548594).

Almost surely, 2^23097187 is an apocalyptic number.

23097187 is a deficient number, since it is larger than the sum of its proper divisors (1).

23097187 is an equidigital number, since it uses as much as digits as its factorization.

23097187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 23097187 is about 4805.9532873302. The cubic root of 23097187 is about 284.7866958381.

The spelling of 23097187 in words is "twenty-three million, ninety-seven thousand, one hundred eighty-seven".