320323143434012 has 12 divisors (see below), whose sum is σ = 560629631662296. Its totient is φ = 160143248673360.

The previous prime is 320323143433999. The next prime is 320323143434081. The reversal of 320323143434012 is 210434341323023.

It is a super-2 number, since 2×320323143434012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580721578 + ... + 4580791505.

It is an arithmetic number, because the mean of its divisors is an integer number (46719135971858).

Almost surely, 2^{320323143434012} is an apocalyptic number.

It is an amenable number.

320323143434012 is a deficient number, since it is larger than the sum of its proper divisors (240306488228284).

320323143434012 is a wasteful number, since it uses less digits than its factorization.

320323143434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161521828 (or 9161521826 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 320323143434012 its reverse (210434341323023), we get a palindrome (530757484757035).

The spelling of 320323143434012 in words is "three hundred twenty trillion, three hundred twenty-three billion, one hundred forty-three million, four hundred thirty-four thousand, twelve".