323146340 has 48 divisors (see below), whose sum is σ = 749710080. Its totient is φ = 116014080.

The previous prime is 323146339. The next prime is 323146361. The reversal of 323146340 is 43641323.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8084 + ... + 26676.

It is an arithmetic number, because the mean of its divisors is an integer number (15618960).

Almost surely, 2^323146340 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 323146340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374855040).

323146340 is an abundant number, since it is smaller than the sum of its proper divisors (426563740).

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

323146340 is a wasteful number, since it uses less digits than its factorization.

323146340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692 (or 18690 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 323146340 is about 17976.2715822831. The cubic root of 323146340 is about 686.2248071105.

Adding to 323146340 its reverse (43641323), we get a palindrome (366787663).

The spelling of 323146340 in words is "three hundred twenty-three million, one hundred forty-six thousand, three hundred forty".