323235305540 has 192 divisors, whose sum is σ = 823559159808. Its totient is φ = 104219827200.

The previous prime is 323235305531. The next prime is 323235305579. The reversal of 323235305540 is 45503532323.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 323235305540.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46794767 + ... + 46801673.

It is an arithmetic number, because the mean of its divisors is an integer number (4289370624).

Almost surely, 2^323235305540 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 323235305540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411779579904).

323235305540 is an abundant number, since it is smaller than the sum of its proper divisors (500323854268).

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

323235305540 is a wasteful number, since it uses less digits than its factorization.

323235305540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 35.

Adding to 323235305540 its reverse (45503532323), we get a palindrome (368738837863).

The spelling of 323235305540 in words is "three hundred twenty-three billion, two hundred thirty-five million, three hundred five thousand, five hundred forty".