2040823 has 8 divisors (see below), whose sum is σ = 2157056. Its totient is φ = 1927800.

The previous prime is 2040803. The next prime is 2040827. The reversal of 2040823 is 3280402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2040823 - 2⁵ = 2040791 is a prime.

It is a Duffinian number.

2040823 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040827) 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, 568 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (269632).

2^2040823 is an apocalyptic number.

2040823 is a deficient number, since it is larger than the sum of its proper divisors (116233).

2040823 is a wasteful number, since it uses less digits than its factorization.

2040823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2040823 is about 1428.5737642838. The cubic root of 2040823 is about 126.8435670796.

The spelling of 2040823 in words is "two million, forty thousand, eight hundred twenty-three".