23317249 has 2 divisors, whose sum is σ = 23317250. Its totient is φ = 23317248.

The previous prime is 23317201. The next prime is 23317253. The reversal of 23317249 is 94271332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 11102224 = 3495^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23317249 - 2⁷ = 23317121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23317249.

It is not a weakly prime, because it can be changed into another prime (23317279) 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, 11658624 + 11658625.

It is an arithmetic number, because the mean of its divisors is an integer number (11658625).

Almost surely, 2^23317249 is an apocalyptic number.

It is an amenable number.

23317249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23317249 is an equidigital number, since it uses as much as digits as its factorization.

23317249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 23317249 is about 4828.7937417123. The cubic root of 23317249 is about 285.6882881940.

The spelling of 23317249 in words is "twenty-three million, three hundred seventeen thousand, two hundred forty-nine".