323211323313728 has 56 divisors (see below), whose sum is σ = 654021602020728. Its totient is φ = 158423590547456.

The previous prime is 323211323313727. The next prime is 323211323313743. The reversal of 323211323313728 is 827313323112323.

It can be written as a sum of positive squares in 4 ways, for example, as 18348269446144 + 304863053867584 = 4283488^2 + 17460328^2 .

It is a super-2 number, since 2×323211323313728² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323211323313727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35888951 + ... + 43982262.

Almost surely, 2^{323211323313728} is an apocalyptic number.

It is an amenable number.

323211323313728 is an abundant number, since it is smaller than the sum of its proper divisors (330810278707000).

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

323211323313728 is a wasteful number, since it uses less digits than its factorization.

323211323313728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79872471 (or 79872461 counting only the distinct ones).

The product of its digits is 653184, while the sum is 44.

The spelling of 323211323313728 in words is "three hundred twenty-three trillion, two hundred eleven billion, three hundred twenty-three million, three hundred thirteen thousand, seven hundred twenty-eight".