23666679 has 12 divisors (see below), whose sum is σ = 34246056. Its totient is φ = 15749712.

The previous prime is 23666677. The next prime is 23666689. The reversal of 23666679 is 97666632.

It is not a de Polignac number, because 23666679 - 2¹ = 23666677 is a prime.

It is a super-2 number, since 2×23666679² = 1120223389778082, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3864 + ... + 7890.

It is an arithmetic number, because the mean of its divisors is an integer number (2853838).

Almost surely, 2^23666679 is an apocalyptic number.

23666679 is a deficient number, since it is larger than the sum of its proper divisors (10579377).

23666679 is a wasteful number, since it uses less digits than its factorization.

23666679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686 (or 4683 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 23666679 is about 4864.8411073744. The cubic root of 23666679 is about 287.1083170326.

It can be divided in two parts, 2366 and 6679, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 23666679 in words is "twenty-three million, six hundred sixty-six thousand, six hundred seventy-nine".