1028385223 has 8 divisors (see below), whose sum is σ = 1076600448. Its totient is φ = 980461944.

The previous prime is 1028385221. The next prime is 1028385263. The reversal of 1028385223 is 3225838201.

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

It is a cyclic number.

It is not a de Polignac number, because 1028385223 - 2¹ = 1028385221 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 (1028385221) 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, 65761 + ... + 79882.

It is an arithmetic number, because the mean of its divisors is an integer number (134575056).

Almost surely, 2^1028385223 is an apocalyptic number.

1028385223 is a deficient number, since it is larger than the sum of its proper divisors (48215225).

1028385223 is a wasteful number, since it uses less digits than its factorization.

1028385223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145973.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1028385223 is about 32068.4459087122. The cubic root of 1028385223 is about 1009.3736020493.

The spelling of 1028385223 in words is "one billion, twenty-eight million, three hundred eighty-five thousand, two hundred twenty-three".