Is This A Fairy Castle Cactus?

Question

This was just given to me. Is it a Fairy Castle? If so, is it too crowded? Any help would be greatly appreciated.

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Answer 1

It looks like an African Milk Tree cactus. Here is more:

https://extension.okstate.edu/plant-id/plant-profiles/african-milk-tree/
https://www.gardeningknowhow.com/ornamental/cacti-succulents/scgen/splitting-succulent-plants.htm

Wear gloves to divide it and beware the milky sap. Let the ends callus before repotting.