1712171323823 has 2 divisors, whose sum is σ = 1712171323824. Its totient is φ = 1712171323822.

The previous prime is 1712171323763. The next prime is 1712171323829. The reversal of 1712171323823 is 3283231712171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1712171323823 - 2⁸ = 1712171323567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1712171323829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856085661911 + 856085661912.

It is an arithmetic number, because the mean of its divisors is an integer number (856085661912).

Almost surely, 2^{1712171323823} is an apocalyptic number.

1712171323823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712171323823 is an equidigital number, since it uses as much as digits as its factorization.

1712171323823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The spelling of 1712171323823 in words is "one trillion, seven hundred twelve billion, one hundred seventy-one million, three hundred twenty-three thousand, eight hundred twenty-three".