323242040 has 64 divisors (see below), whose sum is σ = 798456960. Its totient is φ = 116795520.

The previous prime is 323242039. The next prime is 323242043. The reversal of 323242040 is 40242323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323242043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69467 + ... + 73973.

It is an arithmetic number, because the mean of its divisors is an integer number (12475890).

Almost surely, 2^323242040 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 323242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399228480).

323242040 is an abundant number, since it is smaller than the sum of its proper divisors (475214920).

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

323242040 is a wasteful number, since it uses less digits than its factorization.

323242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692 (or 4688 counting only the distinct ones).

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

The square root of 323242040 is about 17978.9332275305. The cubic root of 323242040 is about 686.2925423995.

Adding to 323242040 its reverse (40242323), we get a palindrome (363484363).

The spelling of 323242040 in words is "three hundred twenty-three million, two hundred forty-two thousand, forty".