123675666 has 16 divisors (see below), whose sum is σ = 247497600. Its totient is φ = 41200848.

The previous prime is 123675637. The next prime is 123675707. The reversal of 123675666 is 666576321.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 7095 + ... + 17253.

It is an arithmetic number, because the mean of its divisors is an integer number (15468600).

Almost surely, 2^123675666 is an apocalyptic number.

123675666 is an abundant number, since it is smaller than the sum of its proper divisors (123821934).

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

123675666 is a wasteful number, since it uses less digits than its factorization.

123675666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193.

The product of its digits is 272160, while the sum is 42.

The square root of 123675666 is about 11120.9561639276. The cubic root of 123675666 is about 498.2279484191.

The spelling of 123675666 in words is "one hundred twenty-three million, six hundred seventy-five thousand, six hundred sixty-six".