320232321121232 has 40 divisors (see below), whose sum is σ = 668180470483680. Its totient is φ = 147798777248640.

The previous prime is 320232321121177. The next prime is 320232321121253. The reversal of 320232321121232 is 232121123232023.

It is a junction number, because it is equal to n+sod(n) for n = 320232321121195 and 320232321121204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37917119 + ... + 45586977.

It is an arithmetic number, because the mean of its divisors is an integer number (16704511762092).

Almost surely, 2^{320232321121232} is an apocalyptic number.

It is an amenable number.

320232321121232 is an abundant number, since it is smaller than the sum of its proper divisors (347948149362448).

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

320232321121232 is a wasteful number, since it uses less digits than its factorization.

320232321121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870611 (or 7870605 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 320232321121232 its reverse (232121123232023), we get a palindrome (552353444353255).

The spelling of 320232321121232 in words is "three hundred twenty trillion, two hundred thirty-two billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-two".