320223437132 has 48 divisors (see below), whose sum is σ = 574849088352. Its totient is φ = 156023262720.

The previous prime is 320223437117. The next prime is 320223437137. The reversal of 320223437132 is 231734322023.

It is not an unprimeable number, because it can be changed into a prime (320223437137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90431282 + ... + 90434822.

It is an arithmetic number, because the mean of its divisors is an integer number (11976022674).

Almost surely, 2^320223437132 is an apocalyptic number.

It is an amenable number.

320223437132 is a deficient number, since it is larger than the sum of its proper divisors (254625651220).

320223437132 is a wasteful number, since it uses less digits than its factorization.

320223437132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 320223437132 its reverse (231734322023), we get a palindrome (551957759155).

The spelling of 320223437132 in words is "three hundred twenty billion, two hundred twenty-three million, four hundred thirty-seven thousand, one hundred thirty-two".