244823 has 4 divisors (see below), whose sum is σ = 250080. Its totient is φ = 239568.

The previous prime is 244813. The next prime is 244837. The reversal of 244823 is 328442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244823 - 2⁶ = 244759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244813) 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, 2558 + ... + 2651.

It is an arithmetic number, because the mean of its divisors is an integer number (62520).

2²⁴⁴⁸²³ is an apocalyptic number.

244823 is a deficient number, since it is larger than the sum of its proper divisors (5257).

244823 is an equidigital number, since it uses as much as digits as its factorization.

244823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256.

The product of its digits is 1536, while the sum is 23.

The square root of 244823 is about 494.7959175256. The cubic root of 244823 is about 62.5581751669.

The spelling of 244823 in words is "two hundred forty-four thousand, eight hundred twenty-three".