2183823 has 6 divisors (see below), whose sum is σ = 3154424. Its totient is φ = 1455876.

The previous prime is 2183821. The next prime is 2183833. The reversal of 2183823 is 3283812.

It is not a de Polignac number, because 2183823 - 2¹ = 2183821 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 (2183821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121315 + ... + 121332.

2^2183823 is an apocalyptic number.

2183823 is a deficient number, since it is larger than the sum of its proper divisors (970601).

2183823 is a wasteful number, since it uses less digits than its factorization.

2183823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242653 (or 242650 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2183823 is about 1477.7763700912. The cubic root of 2183823 is about 129.7395772754.

The spelling of 2183823 in words is "two million, one hundred eighty-three thousand, eight hundred twenty-three".