323653973312 has 112 divisors (see below), whose sum is σ = 700927833600. Its totient is φ = 147712481280.

The previous prime is 323653973249. The next prime is 323653973393. The reversal of 323653973312 is 213379356323.

It is a congruent number.

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, 8613638 + ... + 8651130.

Almost surely, 2^323653973312 is an apocalyptic number.

323653973312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323653973312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350463916800).

323653973312 is an abundant number, since it is smaller than the sum of its proper divisors (377273860288).

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

323653973312 is a wasteful number, since it uses less digits than its factorization.

323653973312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37784 (or 37774 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 47.

The spelling of 323653973312 in words is "three hundred twenty-three billion, six hundred fifty-three million, nine hundred seventy-three thousand, three hundred twelve".