11253443 has 4 divisors (see below), whose sum is σ = 11260920. Its totient is φ = 11245968.

The previous prime is 11253433. The next prime is 11253449. The reversal of 11253443 is 34435211.

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.

It is a cyclic number.

It is not a de Polignac number, because 11253443 - 2¹² = 11249347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11253449) 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, 605 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (2815230).

Almost surely, 2^11253443 is an apocalyptic number.

11253443 is a deficient number, since it is larger than the sum of its proper divisors (7477).

11253443 is an equidigital number, since it uses as much as digits as its factorization.

11253443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476.

The product of its digits is 1440, while the sum is 23.

The square root of 11253443 is about 3354.6151791226. The cubic root of 11253443 is about 224.0930934801.

Adding to 11253443 its reverse (34435211), we get a palindrome (45688654).

The spelling of 11253443 in words is "eleven million, two hundred fifty-three thousand, four hundred forty-three".