001-01-0001 -- The lowest Social Security number ever assigned, given to a New Hampshire woman in 1936.

23 -- The age of John David Sweeney Jr. of New York when he received the nation's first Social Security account in 1936. Sweeney died at the age of 61 and never received any Social Security benefits.

40,000 -- Number of people who claimed the Social Security number 078-05-1120, when they found it printed on a sample insert in wallets sold at Woolworths.