Adding to 12343 its reverse (34321), we get a palindrome (46664).
12343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
12343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a strong prime.
It is a cyclic number.
It is a d-powerful number, because it can be written as 1 + 213 + 33 + 46 + 33 .
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 15.
It is a congruent number.
212343 is an apocalyptic number.
12343 is an equidigital number, since it uses as much as digits as its factorization.
12343 is an odious number, because the sum of its binary digits is odd.
The square root of 12343 is about 111.0990549015. The cubic root of 12343 is about 23.1103705863.
The spelling of 12343 in words is "twelve thousand, three hundred forty-three", and thus it is an iban number.