323634455320 has 96 divisors (see below), whose sum is σ = 800827090560. Its totient is φ = 117621504000.

The previous prime is 323634455311. The next prime is 323634455321. The reversal of 323634455320 is 23554436323.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323634455321) 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 23 ways as a sum of consecutive naturals, for example, 9425704 + ... + 9459976.

It is an arithmetic number, because the mean of its divisors is an integer number (8341948860).

Almost surely, 2^323634455320 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 323634455320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400413545280).

323634455320 is an abundant number, since it is smaller than the sum of its proper divisors (477192635240).

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

323634455320 is a wasteful number, since it uses less digits than its factorization.

323634455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36257 (or 36242 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

The spelling of 323634455320 in words is "three hundred twenty-three billion, six hundred thirty-four million, four hundred fifty-five thousand, three hundred twenty".