11303454243 has 4 divisors (see below), whose sum is σ = 15071272328. Its totient is φ = 7535636160.

The previous prime is 11303454209. The next prime is 11303454257. The reversal of 11303454243 is 34245430311.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11303454243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11303454243.

It is not an unprimeable number, because it can be changed into a prime (11303452243) 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, 1883909038 + ... + 1883909043.

It is an arithmetic number, because the mean of its divisors is an integer number (3767818082).

Almost surely, 2^11303454243 is an apocalyptic number.

11303454243 is a deficient number, since it is larger than the sum of its proper divisors (3767818085).

11303454243 is an equidigital number, since it uses as much as digits as its factorization.

11303454243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767818084.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 11303454243 its reverse (34245430311), we get a palindrome (45548884554).

The spelling of 11303454243 in words is "eleven billion, three hundred three million, four hundred fifty-four thousand, two hundred forty-three".