Not quite that expensive
"setting you back at least $23,000 per Oracle SPARC processor it's installed on, we've heard"
Based on the price list here:
http://www.oracle.com/us/corporate/pricing/technology-price-list-070617.pdf
it's $23,000 per Processor. But most SPARC processors use a factor of 0.5, so it'll only be $11,500...
http://www.oracle.com/us/corporate/contracts/processor-core-factor-table-070634.pdf