My taxes refund said I was gonna get 588 and I only got 423

Is the amount sent/issued by the IRS the same as the refund amount shown on your federal tax return Form 1040 Line 35a? - https://www.irs.gov/refunds

If not, then go to this IRS website for information on reduced refunds - https://www.irs.gov/taxtopics/tc203

Are you also receiving a state tax refund?
Use this TurboTax support FAQ to check the state tax refund status - https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund

Have you factored in the TurboTax account fees plus any applicable sales tax?
Review your TurboTax account fees -
Sign onto the TurboTax website with the User ID you used to create the account - https://myturbotax.intuit.com/
Scroll down to the bottom of the screen and on the section Your tax returns & documents click on View Order Details