2042823 has 8 divisors (see below), whose sum is σ = 2867200. Its totient is φ = 1290168.

The previous prime is 2042819. The next prime is 2042849. The reversal of 2042823 is 3282402.

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

It is not a de Polignac number, because 2042823 - 2² = 2042819 is a prime.

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 2042823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17863 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (358400).

2^2042823 is an apocalyptic number.

2042823 is a deficient number, since it is larger than the sum of its proper divisors (824377).

2042823 is a wasteful number, since it uses less digits than its factorization.

2042823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35861.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2042823 is about 1429.2735917241. The cubic root of 2042823 is about 126.8849889811.

The spelling of 2042823 in words is "two million, forty-two thousand, eight hundred twenty-three".