11320043 has 4 divisors (see below), whose sum is σ = 12937200. Its totient is φ = 9702888.

The previous prime is 11320031. The next prime is 11320061. The reversal of 11320043 is 34002311.

11320043 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 11320043 - 2¹⁸ = 11057899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320003) 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, 808568 + ... + 808581.

It is an arithmetic number, because the mean of its divisors is an integer number (3234300).

Almost surely, 2^11320043 is an apocalyptic number.

11320043 is a deficient number, since it is larger than the sum of its proper divisors (1617157).

11320043 is an equidigital number, since it uses as much as digits as its factorization.

11320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617156.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 11320043 is about 3364.5271584578. The cubic root of 11320043 is about 224.5342993181.

Adding to 11320043 its reverse (34002311), we get a palindrome (45322354).

The spelling of 11320043 in words is "eleven million, three hundred twenty thousand, forty-three".