323340240 has 80 divisors (see below), whose sum is σ = 1004185728. Its totient is φ = 86066688.

The previous prime is 323340239. The next prime is 323340247. The reversal of 323340240 is 42043323.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323340247) 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, 196702 + ... + 198338.

Almost surely, 2^323340240 is an apocalyptic number.

323340240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323340240 is an abundant number, since it is smaller than the sum of its proper divisors (680845488).

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

323340240 is a wasteful number, since it uses less digits than its factorization.

323340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 323340240 is about 17981.6639941914. The cubic root of 323340240 is about 686.3620332617.

Adding to 323340240 its reverse (42043323), we get a palindrome (365383563).

The spelling of 323340240 in words is "three hundred twenty-three million, three hundred forty thousand, two hundred forty".