Who knows two hundred thirty?
Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:
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Four beitzim (of 57.6 cc each, according to R' Avraham Chaim Naeh) equal 230 cc. This, according to various online sources, is the amount of pas haba'ah bekisnin (baked goods that are bread-like but not fully so, e.g., pizza) that requires washing and recital of hamotzi.
How many shall a city contain that it shall be fit for a supreme council? One hundred and twenty families. R. Nehemiah, however, maintains: Two hundred and thirty--so that each of them should be the head of ten families, as we do not find in the Bible rulers of less than ten.