11823403 has 4 divisors (see below), whose sum is σ = 12337488. Its totient is φ = 11309320.

The previous prime is 11823401. The next prime is 11823407. The reversal of 11823403 is 30432811.

11823403 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 30432811 = 2131 ⋅14281.

It is a cyclic number.

It is not a de Polignac number, because 11823403 - 2¹ = 11823401 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11823401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257008 + ... + 257053.

It is an arithmetic number, because the mean of its divisors is an integer number (3084372).

Almost surely, 2^11823403 is an apocalyptic number.

11823403 is a deficient number, since it is larger than the sum of its proper divisors (514085).

11823403 is an equidigital number, since it uses as much as digits as its factorization.

11823403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514084.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11823403 is about 3438.5175584836. The cubic root of 11823403 is about 227.8142210357.

The spelling of 11823403 in words is "eleven million, eight hundred twenty-three thousand, four hundred three".