1428873303 has 32 divisors (see below), whose sum is σ = 2265258240. Its totient is φ = 789719040.

The previous prime is 1428873241. The next prime is 1428873319. The reversal of 1428873303 is 3033788241.

It is not a de Polignac number, because 1428873303 - 2⁹ = 1428872791 is a prime.

It is a super-2 number, since 2×1428873303² = 4083357832052259618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428873323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15543 + ... + 55671.

It is an arithmetic number, because the mean of its divisors is an integer number (70789320).

Almost surely, 2^1428873303 is an apocalyptic number.

1428873303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1428873303 is a deficient number, since it is larger than the sum of its proper divisors (836384937).

1428873303 is a wasteful number, since it uses less digits than its factorization.

1428873303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40239.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1428873303 is about 37800.4405133062. The cubic root of 1428873303 is about 1126.3272047914.

The spelling of 1428873303 in words is "one billion, four hundred twenty-eight million, eight hundred seventy-three thousand, three hundred three".