23661606 has 16 divisors (see below), whose sum is σ = 47923200. Its totient is φ = 7787208.

The previous prime is 23661601. The next prime is 23661619. The reversal of 23661606 is 60616632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23661601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24486 + ... + 25433.

It is an arithmetic number, because the mean of its divisors is an integer number (2995200).

Almost surely, 2^23661606 is an apocalyptic number.

23661606 is an abundant number, since it is smaller than the sum of its proper divisors (24261594).

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

23661606 is a wasteful number, since it uses less digits than its factorization.

23661606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50003.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 23661606 is about 4864.3196852181. The cubic root of 23661606 is about 287.0878014859.

The spelling of 23661606 in words is "twenty-three million, six hundred sixty-one thousand, six hundred six".