11424403 has 4 divisors (see below), whose sum is σ = 11436160. Its totient is φ = 11412648.

The previous prime is 11424389. The next prime is 11424433. The reversal of 11424403 is 30442411.

11424403 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.

It is a cyclic number.

It is not a de Polignac number, because 11424403 - 2⁹ = 11423891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11424433) 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, 4275 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (2859040).

Almost surely, 2^11424403 is an apocalyptic number.

11424403 is the 2138-th heptagonal number.

11424403 is a deficient number, since it is larger than the sum of its proper divisors (11757).

11424403 is a wasteful number, since it uses less digits than its factorization.

11424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11424403 is about 3380.0004437870. Note that the first 3 decimals coincide. The cubic root of 11424403 is about 225.2221871028. Note that the first 3 decimals are identical.

Adding to 11424403 its reverse (30442411), we get a palindrome (41866814).

The spelling of 11424403 in words is "eleven million, four hundred twenty-four thousand, four hundred three".