323430540 has 96 divisors (see below), whose sum is σ = 969104640. Its totient is φ = 80352000.

The previous prime is 323430517. The next prime is 323430553. The reversal of 323430540 is 45034323.

It is a self number, because there is not a number n which added to its sum of digits gives 323430540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67215 + ... + 71865.

It is an arithmetic number, because the mean of its divisors is an integer number (10094840).

Almost surely, 2^323430540 is an apocalyptic number.

323430540 is a gapful number since it is divisible by the number (30) 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 323430540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484552320).

323430540 is an abundant number, since it is smaller than the sum of its proper divisors (645674100).

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

323430540 is a wasteful number, since it uses less digits than its factorization.

323430540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4741 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 323430540 is about 17984.1747100055. The cubic root of 323430540 is about 686.4259213020.

Adding to 323430540 its reverse (45034323), we get a palindrome (368464863).

The spelling of 323430540 in words is "three hundred twenty-three million, four hundred thirty thousand, five hundred forty".