320223454432 has 96 divisors (see below), whose sum is σ = 722470275072. Its totient is φ = 136864525824.

The previous prime is 320223454423. The next prime is 320223454451. The reversal of 320223454432 is 234454322023.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 215928763 + ... + 215930245.

It is an arithmetic number, because the mean of its divisors is an integer number (7525732032).

Almost surely, 2^320223454432 is an apocalyptic number.

320223454432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320223454432 is an abundant number, since it is smaller than the sum of its proper divisors (402246820640).

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

320223454432 is a wasteful number, since it uses less digits than its factorization.

320223454432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 320223454432 its reverse (234454322023), we get a palindrome (554677776455).

The spelling of 320223454432 in words is "three hundred twenty billion, two hundred twenty-three million, four hundred fifty-four thousand, four hundred thirty-two".