428036223 has 8 divisors (see below), whose sum is σ = 570985600. Its totient is φ = 285222168.

The previous prime is 428036171. The next prime is 428036249. The reversal of 428036223 is 322630824.

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

It is not a de Polignac number, because 428036223 - 2⁹ = 428035711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428036423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26203 + ... + 39276.

It is an arithmetic number, because the mean of its divisors is an integer number (71373200).

Almost surely, 2^428036223 is an apocalyptic number.

428036223 is a deficient number, since it is larger than the sum of its proper divisors (142949377).

428036223 is a wasteful number, since it uses less digits than its factorization.

428036223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67661.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 428036223 is about 20689.0362994510. The cubic root of 428036223 is about 753.6334639380.

The spelling of 428036223 in words is "four hundred twenty-eight million, thirty-six thousand, two hundred twenty-three".