323155605212 has 48 divisors (see below), whose sum is σ = 666955121280. Its totient is φ = 135396878400.

The previous prime is 323155605209. The next prime is 323155605247. The reversal of 323155605212 is 212506551323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5192714 + ... + 5254577.

It is an arithmetic number, because the mean of its divisors is an integer number (13894898360).

Almost surely, 2^323155605212 is an apocalyptic number.

It is an amenable number.

323155605212 is an abundant number, since it is smaller than the sum of its proper divisors (343799516068).

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

323155605212 is a wasteful number, since it uses less digits than its factorization.

323155605212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10447362 (or 10447360 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 323155605212 in words is "three hundred twenty-three billion, one hundred fifty-five million, six hundred five thousand, two hundred twelve".