17423120434169 has 2 divisors, whose sum is σ = 17423120434170. Its totient is φ = 17423120434168.

The previous prime is 17423120434157. The next prime is 17423120434339. The reversal of 17423120434169 is 96143402132471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10717687868944 + 6705432565225 = 3273788^2 + 2589485^2 .

It is a cyclic number.

It is not a de Polignac number, because 17423120434169 - 2²⁰ = 17423119385593 is a prime.

It is a super-2 number, since 2×17423120434169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17423120431169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8711560217084 + 8711560217085.

It is an arithmetic number, because the mean of its divisors is an integer number (8711560217085).

Almost surely, 2^{17423120434169} is an apocalyptic number.

It is an amenable number.

17423120434169 is a deficient number, since it is larger than the sum of its proper divisors (1).

17423120434169 is an equidigital number, since it uses as much as digits as its factorization.

17423120434169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 17423120434169 in words is "seventeen trillion, four hundred twenty-three billion, one hundred twenty million, four hundred thirty-four thousand, one hundred sixty-nine".