23666706 has 36 divisors (see below), whose sum is σ = 59651982. Its totient is φ = 6761664.

The previous prime is 23666693. The next prime is 23666711. The reversal of 23666706 is 60766632.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 540225 = 4809^2 + 735^2 .

It is a super-2 number, since 2×23666706² = 1120225945780872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12535 + ... + 14298.

Almost surely, 2^23666706 is an apocalyptic number.

23666706 is an abundant number, since it is smaller than the sum of its proper divisors (35985276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23666706 is a wasteful number, since it uses less digits than its factorization.

23666706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26855 (or 26845 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 23666706 is about 4864.8438823872. The cubic root of 23666706 is about 287.1084262146.

The spelling of 23666706 in words is "twenty-three million, six hundred sixty-six thousand, seven hundred six".