428100968723 has 2 divisors, whose sum is σ = 428100968724. Its totient is φ = 428100968722.

The previous prime is 428100968717. The next prime is 428100968741. The reversal of 428100968723 is 327869001824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428100968723 - 2⁸ = 428100968467 is a prime.

It is not a weakly prime, because it can be changed into another prime (428100968773) 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, 214050484361 + 214050484362.

It is an arithmetic number, because the mean of its divisors is an integer number (214050484362).

Almost surely, 2^428100968723 is an apocalyptic number.

428100968723 is a deficient number, since it is larger than the sum of its proper divisors (1).

428100968723 is an equidigital number, since it uses as much as digits as its factorization.

428100968723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 428100968723 in words is "four hundred twenty-eight billion, one hundred million, nine hundred sixty-eight thousand, seven hundred twenty-three".