28017317223 has 48 divisors (see below), whose sum is σ = 47975104320. Its totient is φ = 15416013312.

The previous prime is 28017317191. The next prime is 28017317257. The reversal of 28017317223 is 32271371082.

It is not a de Polignac number, because 28017317223 - 2⁵ = 28017317191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28017357223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660915 + ... + 702027.

It is an arithmetic number, because the mean of its divisors is an integer number (999481340).

Almost surely, 2^28017317223 is an apocalyptic number.

28017317223 is a deficient number, since it is larger than the sum of its proper divisors (19957787097).

28017317223 is a wasteful number, since it uses less digits than its factorization.

28017317223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41528 (or 41525 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 28017317223 in words is "twenty-eight billion, seventeen million, three hundred seventeen thousand, two hundred twenty-three".