323581004420 has 48 divisors (see below), whose sum is σ = 732730320000. Its totient is φ = 119629428480.

The previous prime is 323581004413. The next prime is 323581004437. The reversal of 323581004420 is 24400185323.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10368920 + ... + 10400079.

It is an arithmetic number, because the mean of its divisors is an integer number (15265215000).

Almost surely, 2^323581004420 is an apocalyptic number.

It is an amenable number.

323581004420 is an abundant number, since it is smaller than the sum of its proper divisors (409149315580).

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

323581004420 is a wasteful number, since it uses less digits than its factorization.

323581004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769068 (or 20769066 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 323581004420 its reverse (24400185323), we get a palindrome (347981189743).

The spelling of 323581004420 in words is "three hundred twenty-three billion, five hundred eighty-one million, four thousand, four hundred twenty".