Found with PFGW Version 3.8.0

470^14023-14023^470 is 2-PRP! (26.5426s+0.0041s)
470^14023-14023^470 is 3-PRP! (27.1240s+0.0042s)
470^14023-14023^470 is 5-PRP! (25.6061s+0.0046s)
470^14023-14023^470 is 7-PRP! (28.8859s+0.0044s)
470^14023-14023^470 is 11-PRP! (26.3750s+0.0051s)

Primality testing 470^14023-14023^470 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 8+sqrt(7)
Calling N+1 BLS with factored part 0.01% and helper 0.01% (0.03% proof)
470^14023-14023^470 is Fermat and Lucas PRP! (161.0403s+0.0069s)

To be completed...