320012031223 has 8 divisors (see below), whose sum is σ = 329953827456. Its totient is φ = 310183855800.

The previous prime is 320012031211. The next prime is 320012031239. The reversal of 320012031223 is 322130210023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320012031223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320012031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012031263) 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 7 ways as a sum of consecutive naturals, for example, 28399483 + ... + 28410748.

It is an arithmetic number, because the mean of its divisors is an integer number (41244228432).

Almost surely, 2^320012031223 is an apocalyptic number.

320012031223 is a deficient number, since it is larger than the sum of its proper divisors (9941796233).

320012031223 is a wasteful number, since it uses less digits than its factorization.

320012031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56810405.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320012031223 its reverse (322130210023), we get a palindrome (642142241246).

The spelling of 320012031223 in words is "three hundred twenty billion, twelve million, thirty-one thousand, two hundred twenty-three".