This number is a prime.
The smallest prime with the pandigital string 0123456789 that remains prime when every pair of adjacent digits are wedged apart by inserting a digit 0: 10000010203040506070809. Note that the latter has a prime number of digits and, in particular, a prime number of 0's. [Beedassy]
The first prime number examined by Mathematics, Computer Science and Chemistry teacher Paul King of Ontario, Canada, in a post titled "The Prime Curios Website" on his PK Journal.