11823503 has 4 divisors (see below), whose sum is σ = 12231240. Its totient is φ = 11415768.

The previous prime is 11823481. The next prime is 11823521. The reversal of 11823503 is 30532811.

11823503 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11823503 - 2⁸ = 11823247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823523) 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 3 ways as a sum of consecutive naturals, for example, 203825 + ... + 203882.

It is an arithmetic number, because the mean of its divisors is an integer number (3057810).

Almost surely, 2^11823503 is an apocalyptic number.

11823503 is a deficient number, since it is larger than the sum of its proper divisors (407737).

11823503 is an equidigital number, since it uses as much as digits as its factorization.

11823503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407736.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11823503 is about 3438.5320996030. The cubic root of 11823503 is about 227.8148633031.

The spelling of 11823503 in words is "eleven million, eight hundred twenty-three thousand, five hundred three".