23165273 has 2 divisors, whose sum is σ = 23165274. Its totient is φ = 23165272.

The previous prime is 23165269. The next prime is 23165281. The reversal of 23165273 is 37256132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21557449 + 1607824 = 4643^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 23165273 - 2² = 23165269 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23165213) 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, 11582636 + 11582637.

It is an arithmetic number, because the mean of its divisors is an integer number (11582637).

Almost surely, 2^23165273 is an apocalyptic number.

It is an amenable number.

23165273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23165273 is an equidigital number, since it uses as much as digits as its factorization.

23165273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 23165273 is about 4813.0315810308. The cubic root of 23165273 is about 285.0662531926.

The spelling of 23165273 in words is "twenty-three million, one hundred sixty-five thousand, two hundred seventy-three".