2812871223 has 12 divisors (see below), whose sum is σ = 4129644168. Its totient is φ = 1844505360.

The previous prime is 2812871209. The next prime is 2812871231. The reversal of 2812871223 is 3221782182.

It is not a de Polignac number, because 2812871223 - 2¹⁶ = 2812805687 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812871203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561265 + ... + 2562362.

It is an arithmetic number, because the mean of its divisors is an integer number (344137014).

Almost surely, 2^2812871223 is an apocalyptic number.

2812871223 is a deficient number, since it is larger than the sum of its proper divisors (1316772945).

2812871223 is a wasteful number, since it uses less digits than its factorization.

2812871223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123694 (or 5123691 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 2812871223 is about 53036.5083975180. The cubic root of 2812871223 is about 1411.6161444503.

The spelling of 2812871223 in words is "two billion, eight hundred twelve million, eight hundred seventy-one thousand, two hundred twenty-three".