428100968823 has 32 divisors (see below), whose sum is σ = 650683169280. Its totient is φ = 247824128640.

The previous prime is 428100968773. The next prime is 428100968849. The reversal of 428100968823 is 328869001824.

It is not a de Polignac number, because 428100968823 - 2¹⁷ = 428100837751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428100968723) 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, 140365 + ... + 935897.

It is an arithmetic number, because the mean of its divisors is an integer number (20333849040).

Almost surely, 2^428100968823 is an apocalyptic number.

428100968823 is a deficient number, since it is larger than the sum of its proper divisors (222582200457).

428100968823 is a wasteful number, since it uses less digits than its factorization.

428100968823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796279.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 428100968823 in words is "four hundred twenty-eight billion, one hundred million, nine hundred sixty-eight thousand, eight hundred twenty-three".