11803923 has 6 divisors (see below), whose sum is σ = 17050124. Its totient is φ = 7869276.

The previous prime is 11803907. The next prime is 11803931. The reversal of 11803923 is 32930811.

11803923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11803923 - 2⁴ = 11803907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11803223) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 655765 + ... + 655782.

Almost surely, 2^11803923 is an apocalyptic number.

11803923 is a deficient number, since it is larger than the sum of its proper divisors (5246201).

11803923 is a wasteful number, since it uses less digits than its factorization.

11803923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311553 (or 1311550 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11803923 is about 3435.6837747383. The cubic root of 11803923 is about 227.6890382244.

The spelling of 11803923 in words is "eleven million, eight hundred three thousand, nine hundred twenty-three".