282823 has 4 divisors (see below), whose sum is σ = 284848. Its totient is φ = 280800.

The previous prime is 282809. The next prime is 282827. The reversal of 282823 is 328282.

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 282823 - 2⁹ = 282311 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 (282827) 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, 786 + ... + 1087.

It is an arithmetic number, because the mean of its divisors is an integer number (71212).

2²⁸²⁸²³ is an apocalyptic number.

282823 is a deficient number, since it is larger than the sum of its proper divisors (2025).

282823 is a wasteful number, since it uses less digits than its factorization.

282823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its digits is 1536, while the sum is 25.

The square root of 282823 is about 531.8110566733. The cubic root of 282823 is about 65.6404538058.

The spelling of 282823 in words is "two hundred eighty-two thousand, eight hundred twenty-three".