705171321826723 has 2 divisors, whose sum is σ = 705171321826724. Its totient is φ = 705171321826722.

The previous prime is 705171321826607. The next prime is 705171321826837. The reversal of 705171321826723 is 327628123171507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705171321826723 - 2²⁹ = 705170784955811 is a prime.

It is not a weakly prime, because it can be changed into another prime (705171321820723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352585660913361 + 352585660913362.

It is an arithmetic number, because the mean of its divisors is an integer number (352585660913362).

Almost surely, 2^{705171321826723} is an apocalyptic number.

705171321826723 is a deficient number, since it is larger than the sum of its proper divisors (1).

705171321826723 is an equidigital number, since it uses as much as digits as its factorization.

705171321826723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 705171321826723 in words is "seven hundred five trillion, one hundred seventy-one billion, three hundred twenty-one million, eight hundred twenty-six thousand, seven hundred twenty-three".