2728385223 has 8 divisors (see below), whose sum is σ = 3656696688. Its totient is φ = 1809498624.

The previous prime is 2728385201. The next prime is 2728385263. The reversal of 2728385223 is 3225838272.

It is a happy number.

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

It is not a de Polignac number, because 2728385223 - 2²⁵ = 2694830791 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728385263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355540 + ... + 2356697.

It is an arithmetic number, because the mean of its divisors is an integer number (457087086).

Almost surely, 2^2728385223 is an apocalyptic number.

2728385223 is a deficient number, since it is larger than the sum of its proper divisors (928311465).

2728385223 is a wasteful number, since it uses less digits than its factorization.

2728385223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712433.

The product of its digits is 322560, while the sum is 42.

The square root of 2728385223 is about 52233.9470363862. The cubic root of 2728385223 is about 1397.3393724986.

The spelling of 2728385223 in words is "two billion, seven hundred twenty-eight million, three hundred eighty-five thousand, two hundred twenty-three".