11823666 has 32 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 3844800.

The previous prime is 11823641. The next prime is 11823671. The reversal of 11823666 is 66632811.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65965 + ... + 66143.

It is an arithmetic number, because the mean of its divisors is an integer number (757350).

Almost surely, 2^11823666 is an apocalyptic number.

11823666 is an abundant number, since it is smaller than the sum of its proper divisors (12411534).

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

11823666 is a wasteful number, since it uses less digits than its factorization.

11823666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

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

The square root of 11823666 is about 3438.5558014957. Note that the first 3 decimals coincide. The cubic root of 11823666 is about 227.8159101911.

The spelling of 11823666 in words is "eleven million, eight hundred twenty-three thousand, six hundred sixty-six".