856426303 has 2 divisors, whose sum is σ = 856426304. Its totient is φ = 856426302.

The previous prime is 856426279. The next prime is 856426343. The reversal of 856426303 is 303624658.

856426303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 856426303 - 2⁵ = 856426271 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (856426343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428213151 + 428213152.

It is an arithmetic number, because the mean of its divisors is an integer number (428213152).

Almost surely, 2^856426303 is an apocalyptic number.

856426303 is a deficient number, since it is larger than the sum of its proper divisors (1).

856426303 is an equidigital number, since it uses as much as digits as its factorization.

856426303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 856426303 is about 29264.7621381073. The cubic root of 856426303 is about 949.6494747440.

The spelling of 856426303 in words is "eight hundred fifty-six million, four hundred twenty-six thousand, three hundred three".