11443 has 2 divisors, whose sum is σ = 11444.
Its totient is φ = 11442.
The previous prime is 11437. The next prime is 11447. The reversal of 11443 is 34411.
Adding to 11443 its reverse (34411), we get a palindrome (45854).
It can be divided in two parts, 11 and 443, that added together give a palindrome (454).
11443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 11443 - 25 = 11411 is a prime.
It is a plaindrome in base 15.
It is a nialpdrome in base 11.
It is not a weakly prime, because it can be changed into another prime (11447) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721 + 5722.
It is an arithmetic number, because the mean of its divisors is an integer number (5722).
211443 is an apocalyptic number.
11443 is a deficient number, since it is larger than the sum of its proper divisors (1).
11443 is an equidigital number, since it uses as much as digits as its factorization.
11443 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48, while the sum is 13.
The square root of 11443 is about 106.9719589425.
The cubic root of 11443 is about 22.5344328755.
The spelling of 11443 in words is "eleven thousand, four hundred forty-three", and thus it is an iban number.