Subtracting from 23423 its sum of digits (14), we obtain a square (23409 = 1532).
Adding to 23423 its reverse (32432), we get a palindrome (55855).
Subtracting 23423 from its reverse (32432), we obtain a palindrome (9009).
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 8 and base 12.
It is a nialpdrome in base 14.
It is a zygodrome in base 8.
It is a congruent number.
223423 is an apocalyptic number.
23423 is an equidigital number, since it uses as much as digits as its factorization.
23423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456.
The square root of 23423 is about 153.0457447955. The cubic root of 23423 is about 28.6119532085.
The spelling of 23423 in words is "twenty-three thousand, four hundred twenty-three", and thus it is an iban number.