23166893 has 2 divisors, whose sum is σ = 23166894. Its totient is φ = 23166892.

The previous prime is 23166851. The next prime is 23166901. The reversal of 23166893 is 39866132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 4313929 = 4342^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 23166893 - 2¹⁴ = 23150509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23166823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11583446 + 11583447.

It is an arithmetic number, because the mean of its divisors is an integer number (11583447).

Almost surely, 2^23166893 is an apocalyptic number.

It is an amenable number.

23166893 is a deficient number, since it is larger than the sum of its proper divisors (1).

23166893 is an equidigital number, since it uses as much as digits as its factorization.

23166893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 23166893 is about 4813.1998711876. The cubic root of 23166893 is about 285.0728981472.

The spelling of 23166893 in words is "twenty-three million, one hundred sixty-six thousand, eight hundred ninety-three".