428813223 has 8 divisors (see below), whose sum is σ = 601843200. Its totient is φ = 270829368.

The previous prime is 428813221. The next prime is 428813237. The reversal of 428813223 is 322318824.

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

It is not a de Polignac number, because 428813223 - 2¹ = 428813221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428813221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761463 + ... + 3761576.

It is an arithmetic number, because the mean of its divisors is an integer number (75230400).

Almost surely, 2^428813223 is an apocalyptic number.

428813223 is a deficient number, since it is larger than the sum of its proper divisors (173029977).

428813223 is a wasteful number, since it uses less digits than its factorization.

428813223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523061.

The product of its digits is 18432, while the sum is 33.

The square root of 428813223 is about 20707.8058470713. The cubic root of 428813223 is about 754.0892035873.

The spelling of 428813223 in words is "four hundred twenty-eight million, eight hundred thirteen thousand, two hundred twenty-three".