323000420240 has 160 divisors (see below), whose sum is σ = 816775508736. Its totient is φ = 118315008000.

The previous prime is 323000420233. The next prime is 323000420273. The reversal of 323000420240 is 42024000323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15369740 + ... + 15390740.

Almost surely, 2^323000420240 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 323000420240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408387754368).

323000420240 is an abundant number, since it is smaller than the sum of its proper divisors (493775088496).

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

323000420240 is a wasteful number, since it uses less digits than its factorization.

323000420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337 (or 21331 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 323000420240 its reverse (42024000323), we get a palindrome (365024420563).

The spelling of 323000420240 in words is "three hundred twenty-three billion, four hundred twenty thousand, two hundred forty".