Been awhile since I fired up my Moto E but was prompted for a system update.
System version
23.201.2.surnia_verizon.verizon.en.US vzw
Build number
LPIS23.29-17.5-2
Android security patch level
2016-04-01
System version
23.201.2.surnia_verizon.verizon.en.US vzw
Build number
LPIS23.29-17.5-2
Android security patch level
2016-04-01