23266657 has 2 divisors, whose sum is σ = 23266658. Its totient is φ = 23266656.

The previous prime is 23266637. The next prime is 23266667. The reversal of 23266657 is 75666232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21911761 + 1354896 = 4681^2 + 1164^2 .

It is a cyclic number.

It is not a de Polignac number, because 23266657 - 2²³ = 14878049 is a prime.

It is not a weakly prime, because it can be changed into another prime (23266637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11633328 + 11633329.

It is an arithmetic number, because the mean of its divisors is an integer number (11633329).

Almost surely, 2^23266657 is an apocalyptic number.

It is an amenable number.

23266657 is a deficient number, since it is larger than the sum of its proper divisors (1).

23266657 is an equidigital number, since it uses as much as digits as its factorization.

23266657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 23266657 is about 4823.5523216816. The cubic root of 23266657 is about 285.4815169765.

The spelling of 23266657 in words is "twenty-three million, two hundred sixty-six thousand, six hundred fifty-seven".