323000311140 has 144 divisors (see below), whose sum is σ = 1055798452800. Its totient is φ = 79457727744.

The previous prime is 323000311099. The next prime is 323000311223. The reversal of 323000311140 is 41113000323.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3745831 + ... + 3831089.

It is an arithmetic number, because the mean of its divisors is an integer number (7331933700).

Almost surely, 2^323000311140 is an apocalyptic number.

323000311140 is a gapful number since it is divisible by the number (30) 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 323000311140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527899226400).

323000311140 is an abundant number, since it is smaller than the sum of its proper divisors (732798141660).

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

323000311140 is a wasteful number, since it uses less digits than its factorization.

323000311140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86906 (or 86901 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 323000311140 its reverse (41113000323), we get a palindrome (364113311463).

The spelling of 323000311140 in words is "three hundred twenty-three billion, three hundred eleven thousand, one hundred forty".