What does 2 3 mean

2 Thessalonians 2:3 Parallel Verses [⇓ See commentary ⇓]

2 Thessalonians 2:3, NIV: "Don't let anyone deceive you in any way, for that day will not come until the rebellion occurs and the man of lawlessness is revealed, the man doomed to destruction."

2 Thessalonians 2:3, ESV: "Let no one deceive you in any way. For that day will not come, unless the rebellion comes first, and the man of lawlessness is revealed, the son of destruction,"

2 Thessalonians 2:3, KJV: "Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition;"

2 Thessalonians 2:3, NASB: "Let no one in any way deceive you, for it will not come unless the apostasy comes first, and the man of lawlessness is revealed, the son of destruction,"

2 Thessalonians 2:3, NLT: "Don't be fooled by what they say. For that day will not come until there is a great rebellion against God and the man of lawlessness is revealed--the one who brings destruction."

2 Thessalonians 2:3, CSB: "Don't let anyone deceive you in any way. For that day will not come unless the apostasy comes first and the man of lawlessness is revealed, the man doomed to destruction."