It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-323211999999949 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 323211999999949.
It is a congruent number.
Almost surely, 2323211999999949 is an apocalyptic number.
It is an amenable number.
323211999999949 is an equidigital number, since it uses as much as digits as its factorization.
323211999999949 is an evil number, because the sum of its binary digits is even.
The spelling of 323211999999949 in words is "three hundred twenty-three trillion, two hundred eleven billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-nine".