323212220232 has 128 divisors (see below), whose sum is σ = 894339532800. Its totient is φ = 96516492800.

The previous prime is 323212220209. The next prime is 323212220239. The reversal of 323212220232 is 232022212323.

It is a super-2 number, since 2×323212220232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (323212220239) by changing a digit.

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, 66107644 + ... + 66112532.

It is an arithmetic number, because the mean of its divisors is an integer number (6987027600).

Almost surely, 2^323212220232 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 323212220232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447169766400).

323212220232 is an abundant number, since it is smaller than the sum of its proper divisors (571127312568).

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

323212220232 is a wasteful number, since it uses less digits than its factorization.

323212220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 323212220232 its reverse (232022212323), we get a palindrome (555234432555).

The spelling of 323212220232 in words is "three hundred twenty-three billion, two hundred twelve million, two hundred twenty thousand, two hundred thirty-two".