Found with PFGW Version 3.7.5

247^23412+23412^247 is 2-PRP! (146.6250s+0.0038s)
247^23412+23412^247 is 3-PRP! (154.7106s+0.0041s)
247^23412+23412^247 is 5-PRP! (161.9566s+0.0040s)
247^23412+23412^247 is 7-PRP! (160.7235s+0.0042s)
247^23412+23412^247 is 11-PRP! (162.9675s+0.0114s)

Primality testing 247^23412+23412^247 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 8+sqrt(17)
Calling N+1 BLS with factored part 0.02% and helper 0.00% (0.05% proof)
247^23412+23412^247 is Fermat and Lucas PRP! (1150.7007s+0.0061s)

To be completed...