323891011959680 has 64 divisors (see below), whose sum is σ = 844693036890480. Its totient is φ = 117778549800960.

The previous prime is 323891011959667. The next prime is 323891011959727. The reversal of 323891011959680 is 86959110198323.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23003615969 + ... + 23003630048.

Almost surely, 2^{323891011959680} is an apocalyptic number.

It is an amenable number.

323891011959680 is an abundant number, since it is smaller than the sum of its proper divisors (520802024930800).

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

323891011959680 is a wasteful number, since it uses less digits than its factorization.

323891011959680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46007246047 (or 46007246035 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 65.

The spelling of 323891011959680 in words is "three hundred twenty-three trillion, eight hundred ninety-one billion, eleven million, nine hundred fifty-nine thousand, six hundred eighty".