323040224 has 48 divisors (see below), whose sum is σ = 688101120. Its totient is φ = 148400640.

The previous prime is 323040203. The next prime is 323040317. The reversal of 323040224 is 422040323.

It is a junction number, because it is equal to n+sod(n) for n = 323040196 and 323040205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93569 + ... + 96959.

It is an arithmetic number, because the mean of its divisors is an integer number (14335440).

Almost surely, 2^323040224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344050560).

323040224 is an abundant number, since it is smaller than the sum of its proper divisors (365060896).

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

323040224 is a wasteful number, since it uses less digits than its factorization.

323040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 323040224 is about 17973.3197823886. The cubic root of 323040224 is about 686.1496838666.

Adding to 323040224 its reverse (422040323), we get a palindrome (745080547).

Subtracting 323040224 from its reverse (422040323), we obtain a palindrome (99000099).

The spelling of 323040224 in words is "three hundred twenty-three million, forty thousand, two hundred twenty-four".