Adding to 23443 its reverse (34432), we get a palindrome (57875).
23443 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-23443 is a prime.
It is a Duffinian number.
23443 is an undulating number in base 14.
It is a plaindrome in base 5.
223443 is an apocalyptic number.
23443 is a wasteful number, since it uses less digits than its factorization.
23443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221.
The square root of 23443 is about 153.1110707950. Note that the first 3 decimals coincide. The cubic root of 23443 is about 28.6200944410.
The spelling of 23443 in words is "twenty-three thousand, four hundred forty-three", and thus it is an iban number.