323143220232 has 160 divisors (see below), whose sum is σ = 1036710576000. Its totient is φ = 92120426496.

The previous prime is 323143220177. The next prime is 323143220249. The reversal of 323143220232 is 232022341323.

323143220232 is a `hidden beast` number, since 3 + 2 + 314 + 322 + 0 + 23 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 323143220196 and 323143220205.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1957333 + ... + 2115995.

It is an arithmetic number, because the mean of its divisors is an integer number (6479441100).

Almost surely, 2^323143220232 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 323143220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518355288000).

323143220232 is an abundant number, since it is smaller than the sum of its proper divisors (713567355768).

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

323143220232 is a wasteful number, since it uses less digits than its factorization.

323143220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159137 (or 159124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 323143220232 its reverse (232022341323), we get a palindrome (555165561555).

The spelling of 323143220232 in words is "three hundred twenty-three billion, one hundred forty-three million, two hundred twenty thousand, two hundred thirty-two".