283823 has 4 divisors (see below), whose sum is σ = 293640. Its totient is φ = 274008.

The previous prime is 283817. The next prime is 283831. The reversal of 283823 is 328382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328382 = 2 ⋅164191.

It is a cyclic number.

It is not a de Polignac number, because 283823 - 2⁴ = 283807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 283792 and 283801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283813) 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, 4865 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (73410).

2²⁸³⁸²³ is an apocalyptic number.

283823 is a deficient number, since it is larger than the sum of its proper divisors (9817).

283823 is an equidigital number, since it uses as much as digits as its factorization.

283823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816.

The product of its digits is 2304, while the sum is 26.

The square root of 283823 is about 532.7504106052. The cubic root of 283823 is about 65.7177262129.

The spelling of 283823 in words is "two hundred eighty-three thousand, eight hundred twenty-three".