2857323 has 16 divisors (see below), whose sum is σ = 4399616. Its totient is φ = 1615680.

The previous prime is 2857321. The next prime is 2857333. The reversal of 2857323 is 3237582.

It is not a de Polignac number, because 2857323 - 2¹ = 2857321 is a prime.

It is a Duffinian number.

2857323 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857321) 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 15 ways as a sum of consecutive naturals, for example, 1503 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (274976).

2^2857323 is an apocalyptic number.

2857323 is a deficient number, since it is larger than the sum of its proper divisors (1542293).

2857323 is a wasteful number, since it uses less digits than its factorization.

2857323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 10080, while the sum is 30.

The square root of 2857323 is about 1690.3617955929. The cubic root of 2857323 is about 141.9013233645.

The spelling of 2857323 in words is "two million, eight hundred fifty-seven thousand, three hundred twenty-three".