2162823 has 8 divisors (see below), whose sum is σ = 3105648. Its totient is φ = 1330944.

The previous prime is 2162821. The next prime is 2162843. The reversal of 2162823 is 3282612.

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

It is not a de Polignac number, because 2162823 - 2¹ = 2162821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2162793 and 2162802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162821) 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, 27690 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (388206).

2^2162823 is an apocalyptic number.

2162823 is a deficient number, since it is larger than the sum of its proper divisors (942825).

2162823 is a wasteful number, since it uses less digits than its factorization.

2162823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55473.

The product of its digits is 1152, while the sum is 24.

The square root of 2162823 is about 1470.6539361794. The cubic root of 2162823 is about 129.3223714154.

It can be divided in two parts, 216282 and 3, that multiplied together give a palindrome (648846).

The spelling of 2162823 in words is "two million, one hundred sixty-two thousand, eight hundred twenty-three".