9723

9723 is the natural number that follows 9722 and precedes 9724. In decimal notation it is written as 9723 and is an odd integer.

9723 is composite, with prime factorization 9723 = 3 × 7 × 463. It is squarefree, since all prime factors are distinct. The sum of its digits is 9+7+2+3 = 21, so the number is divisible by 3 and by 21. In fact, 9723 = 21 × 463. Its divisors include 1, 3, 7, 21, 463, 1389, and 9723. Numerically, 9723 ≡ 3 (mod 9).

In alternative representations, 9723 is 0x25FB in hexadecimal and 10010111111011 in binary.

9723 is commonly used in teaching as an example of a composite, squarefree Harshad (Niven) number in base 10, since it is divisible by the sum of its digits. It is not a prime or a square and has no widely recognized associations beyond basic number-theoretic properties.