Adding to 323221152 its reverse (251122323), we get a palindrome (574343475).
It is a tau number, because it is divible by the number of its divisors (48).
It is an unprimeable number.
Almost surely, 2323221152 is an apocalyptic number.
323221152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 323221152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426789216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
323221152 is a wasteful number, since it uses less digits than its factorization.
323221152 is an evil number, because the sum of its binary digits is even.
The square root of 323221152 is about 17978.3523160494. The cubic root of 323221152 is about 686.2777592694.
The spelling of 323221152 in words is "three hundred twenty-three million, two hundred twenty-one thousand, one hundred fifty-two".