Twenty-three

• Obtaining twenty-three of an item at once will result in the invisible text "FNORD" being printed at the end of the line in the same manner as the following:

You acquire 23 limes FNORD

• Warehouse 23 bling follows the same theme and also has that same hidden message.
• Cristobal Colon (#1492), the mythical source of the comfy blankets, is a level 23 Seal Clubber, but has the class title of "Explorer" (quotes included), rather than the standard title of "Seal Clubber" (without quotes).
• There are twenty-three Valentine Poems to choose from.
• The Frequent Traveler Reward #3, fuzzy dice, is acquired by spending twenty-three vacations with The Shore, Inc.
• Twenty-three pieces of duct tape are used to make the duct tape shirt.
• The BRICKO elephant requires 23 BRICKO bricks to make. The BRICKO airship requires 2300.
• Seeger's Unstoppable Banjo gives +23% meat.
• Golden plastic oyster eggs auto-sell for 23 meat.
• The effect On Pins and Needles gives +23% Combat Initiative.
• You will obtain 23 karma for completing a Boozetafarian or Teetotaler ascension.

References

• The Twenty-three Enigma is the Discordian belief that everything is somehow connected to the number 23, from which the related term, "fnord", originated.
• This may also be an indirect reference to Warehouse 23, which is itself a reference to The Illuminatus! Trilogy, which is again related to the 23 enigma.