make create table run faster?

Oracle 10g in a NONARCHIVE mode. 
I need to create some temp tables during some process. These temp tables will 
not be updated. I am doing something like this now:

CREATE TABLE TMP_TABLE123 PCTFREE 0 parallel 3 nologging as select ... from 
<some_base_tables>

Is there any other oracle parameters that I could use to make this step faster? 

Guang

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