Search for 241543903 in Google image (try here) and you will be surprised to see only images of people with their head into the freezer. The results are both crazy and funny, moreover they are not 5 or 10 but hundreds of such similar images occupying several results page.
How it is possible?
The concept behind such weirdness is really simple. Click pictures with head in freezer and upload them on internet/flickr with tag or name as 241543903. When Google indexes these images with similar tag, it starts recognizing 241543903 as a specific word and not some random number. This is a classic example of a community modifying image search results.
Whose idea it is?
According to reddit, this crazy idea is supposedly brainchild of David Horvitz originated on 7th April 2009. He started this a project and requested others to upload such images with 241543903 as name. He also posted the first image with such distinctive name on Flickr.
What does cryptic number 241543903 mean?
The number 241543903 just like another random number but since now there are hundreds of images with this name, it now has special position on World Wide Web.
This concept is also commonly known as 241543903-meme or Head-in-a-Freezer-Meme and is quickly catching up on Google.