Here you will get pl/sql program for reverse of a number.
For example:
Number = 34589
Reverse of number = 98543
PL/SQL Program for Reverse of a Number
declare n number; i number; rev number:=0; r number; begin n:=&n; while n>0 loop r:=mod(n,10); rev:=(rev*10)+r; n:=trunc(n/10); end loop; dbms_output.put_line('reverse is '||rev); end; /
Output
Enter value for n: 4578
old 8: n:=&n;
new 8: n:=4578;
reverse is 8754