23366506 has 4 divisors (see below), whose sum is σ = 35049762. Its totient is φ = 11683252.

The previous prime is 23366503. The next prime is 23366527. The reversal of 23366506 is 60566332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 11526025 = 3441^2 + 3395^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23366503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841625 + ... + 5841628.

Almost surely, 2^23366506 is an apocalyptic number.

23366506 is a deficient number, since it is larger than the sum of its proper divisors (11683256).

23366506 is a wasteful number, since it uses less digits than its factorization.

23366506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683255.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 23366506 is about 4833.8913930704. The cubic root of 23366506 is about 285.8893160629.

The spelling of 23366506 in words is "twenty-three million, three hundred sixty-six thousand, five hundred six".