24823 has 4 divisors (see below), whose sum is σ = 25168. Its totient is φ = 24480.

The previous prime is 24821. The next prime is 24841. The reversal of 24823 is 32842.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 32842 = 2 ⋅16421.

It is a cyclic number.

It is not a de Polignac number, because 24823 - 2¹ = 24821 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 4 + 8⁴ + 2¹⁴ + 3⁵ .

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 24823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24821) 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, 18 + ... + 223.

It is an arithmetic number, because the mean of its divisors is an integer number (6292).

2²⁴⁸²³ is an apocalyptic number.

24823 is a deficient number, since it is larger than the sum of its proper divisors (345).

24823 is a wasteful number, since it uses less digits than its factorization.

24823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 384, while the sum is 19.

The square root of 24823 is about 157.5531656299. The cubic root of 24823 is about 29.1710070638.

Adding to 24823 its sum of digits (19), we get a palindrome (24842).

It can be divided in two parts, 2482 and 3, that added together give a triangular number (2485 = T₇₀).

The spelling of 24823 in words is "twenty-four thousand, eight hundred twenty-three".