23666677 has 2 divisors, whose sum is σ = 23666678. Its totient is φ = 23666676.

The previous prime is 23666627. The next prime is 23666689. The reversal of 23666677 is 77666632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19722481 + 3944196 = 4441^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 23666677 - 2⁷ = 23666549 is a prime.

It is a super-2 number, since 2×23666677² = 1120223200444658, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23666627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11833338 + 11833339.

It is an arithmetic number, because the mean of its divisors is an integer number (11833339).

Almost surely, 2^23666677 is an apocalyptic number.

It is an amenable number.

23666677 is a deficient number, since it is larger than the sum of its proper divisors (1).

23666677 is an equidigital number, since it uses as much as digits as its factorization.

23666677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 23666677 is about 4864.8409018179. The cubic root of 23666677 is about 287.1083089451.

The spelling of 23666677 in words is "twenty-three million, six hundred sixty-six thousand, six hundred seventy-seven".