323203331340 has 72 divisors (see below), whose sum is σ = 1014189780240. Its totient is φ = 83215569024.

The previous prime is 323203331309. The next prime is 323203331447. The reversal of 323203331340 is 43133302323.

It is a happy number.

323203331340 is a `hidden beast` number, since 3 + 2 + 320 + 3 + 331 + 3 + 4 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30952954 + ... + 30963393.

It is an arithmetic number, because the mean of its divisors is an integer number (14085969170).

Almost surely, 2^323203331340 is an apocalyptic number.

323203331340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323203331340 is an abundant number, since it is smaller than the sum of its proper divisors (690986448900).

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

323203331340 is a wasteful number, since it uses less digits than its factorization.

323203331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61916391 (or 61916386 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 323203331340 its reverse (43133302323), we get a palindrome (366336633663).

The spelling of 323203331340 in words is "three hundred twenty-three billion, two hundred three million, three hundred thirty-one thousand, three hundred forty".