Found with PFGW Version 3.7.5

2023^9518-9518^2023 is 2-PRP! (17.5489s+0.0012s)
2023^9518-9518^2023 is 3-PRP! (17.5030s+0.0013s)
2023^9518-9518^2023 is 5-PRP! (17.6078s+0.0012s)
2023^9518-9518^2023 is 7-PRP! (17.5905s+0.0013s)
2023^9518-9518^2023 is 11-PRP! (17.5347s+0.0011s)

Primality testing 2023^9518-9518^2023 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.06% proof)
2023^9518-9518^2023 is Fermat and Lucas PRP! (101.9366s+0.0022s)

To be completed...