3203823 has 8 divisors (see below), whose sum is σ = 4882048. Its totient is φ = 1830744.

The previous prime is 3203807. The next prime is 3203857. The reversal of 3203823 is 3283023.

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

It is not a de Polignac number, because 3203823 - 2⁴ = 3203807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 152563 = 3203823 / (3 + 2 + 0 + 3 + 8 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3203823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253823) 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, 76261 + ... + 76302.

It is an arithmetic number, because the mean of its divisors is an integer number (610256).

Almost surely, 2^3203823 is an apocalyptic number.

3203823 is a deficient number, since it is larger than the sum of its proper divisors (1678225).

3203823 is a wasteful number, since it uses less digits than its factorization.

3203823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152573.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3203823 is about 1789.9226240260. The cubic root of 3203823 is about 147.4199201434.

Adding to 3203823 its reverse (3283023), we get a palindrome (6486846).

The spelling of 3203823 in words is "three million, two hundred three thousand, eight hundred twenty-three".