428584275523 has 2 divisors, whose sum is σ = 428584275524. Its totient is φ = 428584275522.

The previous prime is 428584275481. The next prime is 428584275557. The reversal of 428584275523 is 325572485824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428584275523 - 2⁹ = 428584275011 is a prime.

It is not a weakly prime, because it can be changed into another prime (428584975523) 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 as a sum of consecutive naturals, namely, 214292137761 + 214292137762.

It is an arithmetic number, because the mean of its divisors is an integer number (214292137762).

Almost surely, 2^428584275523 is an apocalyptic number.

428584275523 is a deficient number, since it is larger than the sum of its proper divisors (1).

428584275523 is an equidigital number, since it uses as much as digits as its factorization.

428584275523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504000, while the sum is 55.

The spelling of 428584275523 in words is "four hundred twenty-eight billion, five hundred eighty-four million, two hundred seventy-five thousand, five hundred twenty-three".