23102666 has 4 divisors (see below), whose sum is σ = 34654002. Its totient is φ = 11551332.

The previous prime is 23102663. The next prime is 23102669. The reversal of 23102666 is 66620132.

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

It is an interprime number because it is at equal distance from previous prime (23102663) and next prime (23102669).

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 14641 = 4805^2 + 121^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23102663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775665 + ... + 5775668.

Almost surely, 2^23102666 is an apocalyptic number.

23102666 is a deficient number, since it is larger than the sum of its proper divisors (11551336).

23102666 is a wasteful number, since it uses less digits than its factorization.

23102666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551335.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23102666 is about 4806.5232757160. The cubic root of 23102666 is about 284.8092126197.

Adding to 23102666 its reverse (66620132), we get a palindrome (89722798).

The spelling of 23102666 in words is "twenty-three million, one hundred two thousand, six hundred sixty-six".