428068228423 has 16 divisors (see below), whose sum is σ = 481299543936. Its totient is φ = 377297252640.

The previous prime is 428068228411. The next prime is 428068228457. The reversal of 428068228423 is 324822860824.

It is not a de Polignac number, because 428068228423 - 2⁹ = 428068227911 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 (428068228403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743061 + ... + 1973422.

It is an arithmetic number, because the mean of its divisors is an integer number (30081221496).

Almost surely, 2^428068228423 is an apocalyptic number.

428068228423 is a deficient number, since it is larger than the sum of its proper divisors (53231315513).

428068228423 is a wasteful number, since it uses less digits than its factorization.

428068228423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716814.

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 428068228423 in words is "four hundred twenty-eight billion, sixty-eight million, two hundred twenty-eight thousand, four hundred twenty-three".