11775123 has 12 divisors (see below), whose sum is σ = 17099160. Its totient is φ = 7808256.

The previous prime is 11775097. The next prime is 11775191. The reversal of 11775123 is 32157711.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11775123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11775523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1653 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (1424930).

Almost surely, 2^11775123 is an apocalyptic number.

11775123 is a deficient number, since it is larger than the sum of its proper divisors (5324037).

11775123 is a wasteful number, since it uses less digits than its factorization.

11775123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6975 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 11775123 is about 3431.4899096457. The cubic root of 11775123 is about 227.5037104414.

The spelling of 11775123 in words is "eleven million, seven hundred seventy-five thousand, one hundred twenty-three".