2320823 has 4 divisors (see below), whose sum is σ = 2457360. Its totient is φ = 2184288.

The previous prime is 2320811. The next prime is 2320837. The reversal of 2320823 is 3280232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2320823 - 2⁴ = 2320807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320795 and 2320804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320873) 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 3 ways as a sum of consecutive naturals, for example, 68243 + ... + 68276.

It is an arithmetic number, because the mean of its divisors is an integer number (614340).

2^2320823 is an apocalyptic number.

2320823 is a deficient number, since it is larger than the sum of its proper divisors (136537).

2320823 is a wasteful number, since it uses less digits than its factorization.

2320823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136536.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2320823 is about 1523.4247602031. The cubic root of 2320823 is about 132.3977709150.

The spelling of 2320823 in words is "two million, three hundred twenty thousand, eight hundred twenty-three".