Adding to 443 its sum of digits (11), we get a palindrome (454).
Adding to 443 its reverse (344), we get a palindrome (787).
Subtracting from 443 its reverse (344), we obtain a palindrome (99).
443 is nontrivially palindromic in base 2 and base 11.
443 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.
It is a weak prime.
443 is a truncatable prime.
It is a cyclic number.
It is a Sophie Germain prime.
It is a Chen prime.
It is a magnanimous number.
443 is an undulating number in base 11.
It is a plaindrome in base 14 and base 16.
It is a nialpdrome in base 9 and base 10.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 443.
2443 is an apocalyptic number.
443 is an equidigital number, since it uses as much as digits as its factorization.
443 is an odious number, because the sum of its binary digits is odd.
The square root of 443 is about 21.0475651798. The cubic root of 443 is about 7.6231519305.