23966497 has 2 divisors, whose sum is σ = 23966498. Its totient is φ = 23966496.

The previous prime is 23966443. The next prime is 23966513. The reversal of 23966497 is 79466932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 772641 = 4816^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 23966497 - 2¹¹ = 23964449 is a prime.

It is not a weakly prime, because it can be changed into another prime (23966407) 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, 11983248 + 11983249.

It is an arithmetic number, because the mean of its divisors is an integer number (11983249).

Almost surely, 2^23966497 is an apocalyptic number.

It is an amenable number.

23966497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23966497 is an equidigital number, since it uses as much as digits as its factorization.

23966497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 23966497 is about 4895.5589057839. The cubic root of 23966497 is about 288.3156302034.

The spelling of 23966497 in words is "twenty-three million, nine hundred sixty-six thousand, four hundred ninety-seven".