5723 has 4 divisors (see below), whose sum is σ = 5880.
Its totient is φ = 5568.
The previous prime is 5717. The next prime is 5737. The reversal of 5723 is 3275.
Adding to 5723 its reverse (3275), we get a palindrome (8998).
It can be divided in two parts, 572 and 3, that added together give a palindrome (575).
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 5723 - 26 = 5659 is a prime.
It is a Duffinian number.
It is a plaindrome in base 12.
It is a nialpdrome in base 11.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5723.
It is not an unprimeable number, because it can be changed into a prime (5743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 107.
It is an arithmetic number, because the mean of its divisors is an integer number (1470).
25723 is an apocalyptic number.
5723 is a deficient number, since it is larger than the sum of its proper divisors (157).
5723 is an equidigital number, since it uses as much as digits as its factorization.
5723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156.
The product of its digits is 210, while the sum is 17.
The square root of 5723 is about 75.6505122256.
The cubic root of 5723 is about 17.8871541054.
The spelling of 5723 in words is "five thousand, seven hundred twenty-three".