Adding to 2823 its reverse (3282), we get a triangular number (6105 = T110).
2823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a D-number.
2823 is a lucky number.
It is a nialpdrome in base 15.
It is a congruent number.
22823 is an apocalyptic number.
2823 is an equidigital number, since it uses as much as digits as its factorization.
2823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 944.
The square root of 2823 is about 53.1319113151. The cubic root of 2823 is about 14.1330846244.
The spelling of 2823 in words is "two thousand, eight hundred twenty-three".