683823 has 8 divisors (see below), whose sum is σ = 1042048. Its totient is φ = 390744.

The previous prime is 683821. The next prime is 683831. The reversal of 683823 is 328386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 683823 - 2¹ = 683821 is a prime.

It is a super-2 number, since 2×683823² = 935227790658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16261 + ... + 16302.

It is an arithmetic number, because the mean of its divisors is an integer number (130256).

2⁶⁸³⁸²³ is an apocalyptic number.

683823 is a deficient number, since it is larger than the sum of its proper divisors (358225).

683823 is a wasteful number, since it uses less digits than its factorization.

683823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32573.

The product of its digits is 6912, while the sum is 30.

The square root of 683823 is about 826.9359104550. The cubic root of 683823 is about 88.1010804756.

The spelling of 683823 in words is "six hundred eighty-three thousand, eight hundred twenty-three".