The nation's largest online retailer is going to start collecting sales tax on items ordered by its Arizona customers, which means Arizona buyers will soon be paying more.

Amazon.com announced Friday it has reached an agreement to settle the $53 million assessment against it by the state Department of Revenue for unpaid sales taxes.

The disclosure, made in a filing with the Securities and Exchange Commission, does not specify how much the company would pay. The statement called the amount "immaterial."

It is a victory for the state because Amazon and its subsidiaries will collect and remit the state sales tax beginning Feb. 1 for any goods sold to Arizonans. And starting July 1, Arizonans who order digital products or services, like downloading a book online, also will be paying the 6.6 percent levy.