It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 230123001131023 is an apocalyptic number.
30123001131023 is an equidigital number, since it uses as much as digits as its factorization.
30123001131023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324139056.
Adding to 30123001131023 its reverse (32013110032103), we get a palindrome (62136111163126).
The spelling of 30123001131023 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, twenty-three".