<Page> EXHIBIT 23.3 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Hewlett-Packard Company of our report dated November 23, 1999 relating to the financial statements and financial statement schedule, which appears in the Hewlett-Packard Company's Annual Report on Form 10-K/A for the year ended October 31, 2001. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP San Jose, California March 5, 2002