23652166 has 4 divisors (see below), whose sum is σ = 35478252. Its totient is φ = 11826082.

The previous prime is 23652137. The next prime is 23652173. The reversal of 23652166 is 66125632.

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

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 a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5913040 + ... + 5913043.

It is an arithmetic number, because the mean of its divisors is an integer number (8869563).

Almost surely, 2^23652166 is an apocalyptic number.

23652166 is a deficient number, since it is larger than the sum of its proper divisors (11826086).

23652166 is a wasteful number, since it uses less digits than its factorization.

23652166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826085.

The product of its digits is 12960, while the sum is 31.

The square root of 23652166 is about 4863.3492574562. The cubic root of 23652166 is about 287.0496176967.

Adding to 23652166 its reverse (66125632), we get a palindrome (89777798).

The spelling of 23652166 in words is "twenty-three million, six hundred fifty-two thousand, one hundred sixty-six".