15223 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-15223 is a prime.
It is a Duffinian number.
It is a plaindrome in base 8 and base 15.
It is a congruent number.
215223 is an apocalyptic number.
15223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
15223 is a wasteful number, since it uses less digits than its factorization.
15223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184.
The square root of 15223 is about 123.3815221174. The cubic root of 15223 is about 24.7837345651.
Adding to 15223 its reverse (32251), we get a palindrome (47474).
The spelling of 15223 in words is "fifteen thousand, two hundred twenty-three".