323223552 has 114 divisors (see below), whose sum is σ = 940570878. Its totient is φ = 106954752.

The previous prime is 323223539. The next prime is 323223553. The reversal of 323223552 is 255322323.

It can be written as a sum of positive squares in only one way, i.e., 285474816 + 37748736 = 16896^2 + 6144^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323223553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359228 + ... + 2359364.

Almost surely, 2^323223552 is an apocalyptic number.

323223552 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 323223552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470285439).

323223552 is an abundant number, since it is smaller than the sum of its proper divisors (617347326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323223552 is an frugal number, since it uses more digits than its factorization.

323223552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 142 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 323223552 is about 17978.4190628653. The cubic root of 323223552 is about 686.2794578614.

Adding to 323223552 its reverse (255322323), we get a palindrome (578545875).

The spelling of 323223552 in words is "three hundred twenty-three million, two hundred twenty-three thousand, five hundred fifty-two".