23297866 has 4 divisors (see below), whose sum is σ = 34946802. Its totient is φ = 11648932.

The previous prime is 23297863. The next prime is 23297891. The reversal of 23297866 is 66879232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22287841 + 1010025 = 4721^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (23297863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824465 + ... + 5824468.

Almost surely, 2^23297866 is an apocalyptic number.

23297866 is a deficient number, since it is larger than the sum of its proper divisors (11648936).

23297866 is a wasteful number, since it uses less digits than its factorization.

23297866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11648935.

The product of its digits is 217728, while the sum is 43.

The square root of 23297866 is about 4826.7863014639. The cubic root of 23297866 is about 285.6091045935.

The spelling of 23297866 in words is "twenty-three million, two hundred ninety-seven thousand, eight hundred sixty-six".