11430403 has 4 divisors (see below), whose sum is σ = 11494440. Its totient is φ = 11366368.

The previous prime is 11430371. The next prime is 11430421. The reversal of 11430403 is 30403411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30403411 = 461 ⋅65951.

It is a cyclic number.

It is not a de Polignac number, because 11430403 - 2⁵ = 11430371 is a prime.

It is a super-2 number, since 2×11430403² = 261308225484818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430203) 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 3 ways as a sum of consecutive naturals, for example, 31750 + ... + 32107.

It is an arithmetic number, because the mean of its divisors is an integer number (2873610).

Almost surely, 2^11430403 is an apocalyptic number.

11430403 is a deficient number, since it is larger than the sum of its proper divisors (64037).

11430403 is an equidigital number, since it uses as much as digits as its factorization.

11430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64036.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11430403 is about 3380.8879011289. The cubic root of 11430403 is about 225.2616084660.

Adding to 11430403 its reverse (30403411), we get a palindrome (41833814).

The spelling of 11430403 in words is "eleven million, four hundred thirty thousand, four hundred three".