2823123 has 4 divisors (see below), whose sum is σ = 3764168. Its totient is φ = 1882080.

The previous prime is 2823113. The next prime is 2823133. The reversal of 2823123 is 3213282.

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

It is an interprime number because it is at equal distance from previous prime (2823113) and next prime (2823133).

It is not a de Polignac number, because 2823123 - 2⁶ = 2823059 is a prime.

It is a D-number.

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 2823123.

It is not an unprimeable number, because it can be changed into a prime (2823113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470518 + ... + 470523.

It is an arithmetic number, because the mean of its divisors is an integer number (941042).

2^2823123 is an apocalyptic number.

2823123 is a deficient number, since it is larger than the sum of its proper divisors (941045).

2823123 is an equidigital number, since it uses as much as digits as its factorization.

2823123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941044.

The product of its digits is 576, while the sum is 21.

The square root of 2823123 is about 1680.2151647929. The cubic root of 2823123 is about 141.3328988407.

The spelling of 2823123 in words is "two million, eight hundred twenty-three thousand, one hundred twenty-three".