23118666 has 8 divisors (see below), whose sum is σ = 46237344. Its totient is φ = 7706220.

The previous prime is 23118661. The next prime is 23118671. The reversal of 23118666 is 66681132.

It is an interprime number because it is at equal distance from previous prime (23118661) and next prime (23118671).

It is a sphenic number, since it is the product of 3 distinct primes.

23118666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23118661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926550 + ... + 1926561.

It is an arithmetic number, because the mean of its divisors is an integer number (5779668).

Almost surely, 2^23118666 is an apocalyptic number.

23118666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23118666 is a wasteful number, since it uses less digits than its factorization.

23118666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853116.

The product of its digits is 10368, while the sum is 33.

The square root of 23118666 is about 4808.1873923548. The cubic root of 23118666 is about 284.8749466756.

Adding to 23118666 its reverse (66681132), we get a palindrome (89799798).

The spelling of 23118666 in words is "twenty-three million, one hundred eighteen thousand, six hundred sixty-six".