11430443 has 4 divisors (see below), whose sum is σ = 12102840. Its totient is φ = 10758048.

The previous prime is 11430421. The next prime is 11430449. The reversal of 11430443 is 34403411.

It is a happy number.

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 11430443 - 2⁸ = 11430187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430449) 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, 336173 + ... + 336206.

It is an arithmetic number, because the mean of its divisors is an integer number (3025710).

Almost surely, 2^11430443 is an apocalyptic number.

11430443 is a deficient number, since it is larger than the sum of its proper divisors (672397).

11430443 is an equidigital number, since it uses as much as digits as its factorization.

11430443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672396.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 11430443 is about 3380.8938167295. The cubic root of 11430443 is about 225.2618712288.

Adding to 11430443 its reverse (34403411), we get a palindrome (45833854).

The spelling of 11430443 in words is "eleven million, four hundred thirty thousand, four hundred forty-three".