323801975279904 has 144 divisors (see below), whose sum is σ = 932836845650976. Its totient is φ = 97534246067200.

The previous prime is 323801975279897. The next prime is 323801975279953. The reversal of 323801975279904 is 409972579108323.

It is a super-2 number, since 2×323801975279904² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23953444 + ... + 34948124.

It is an arithmetic number, because the mean of its divisors is an integer number (6478033650354).

Almost surely, 2^{323801975279904} 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 323801975279904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466418422825488).

323801975279904 is an abundant number, since it is smaller than the sum of its proper divisors (609034870371072).

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

323801975279904 is a wasteful number, since it uses less digits than its factorization.

323801975279904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995039 (or 10994864 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 69.

The spelling of 323801975279904 in words is "three hundred twenty-three trillion, eight hundred one billion, nine hundred seventy-five million, two hundred seventy-nine thousand, nine hundred four".