2812723 has 8 divisors (see below), whose sum is σ = 2975616. Its totient is φ = 2654400.

The previous prime is 2812717. The next prime is 2812729. The reversal of 2812723 is 3272182.

It is an interprime number because it is at equal distance from previous prime (2812717) and next prime (2812729).

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 2812723 - 2⁹ = 2812211 is a prime.

It is a super-2 number, since 2×2812723² = 15822821349458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2812729) 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 7 ways as a sum of consecutive naturals, for example, 165 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (371952).

2^2812723 is an apocalyptic number.

2812723 is a deficient number, since it is larger than the sum of its proper divisors (162893).

2812723 is a wasteful number, since it uses less digits than its factorization.

2812723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its digits is 1344, while the sum is 25.

The square root of 2812723 is about 1677.1174675615. The cubic root of 2812723 is about 141.1591349186.

The spelling of 2812723 in words is "two million, eight hundred twelve thousand, seven hundred twenty-three".