11304043 has 4 divisors (see below), whose sum is σ = 11311720. Its totient is φ = 11296368.

The previous prime is 11304001. The next prime is 11304049. The reversal of 11304043 is 34040311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34040311 = 71 ⋅479441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11304043 is a prime.

It is a super-3 number, since 3×11304043³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11304049) 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, 858 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (2827930).

Almost surely, 2^11304043 is an apocalyptic number.

11304043 is a deficient number, since it is larger than the sum of its proper divisors (7677).

11304043 is an equidigital number, since it uses as much as digits as its factorization.

11304043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676.

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

The square root of 11304043 is about 3362.1485689957. The cubic root of 11304043 is about 224.4284621844.

Adding to 11304043 its reverse (34040311), we get a palindrome (45344354).

The spelling of 11304043 in words is "eleven million, three hundred four thousand, forty-three".