320312113023 has 16 divisors (see below), whose sum is σ = 488131349760. Its totient is φ = 183021730176.

The previous prime is 320312113021. The next prime is 320312113031. The reversal of 320312113023 is 320311213023.

It is not a de Polignac number, because 320312113023 - 2¹ = 320312113021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320312113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284133 + ... + 849326.

It is an arithmetic number, because the mean of its divisors is an integer number (30508209360).

Almost surely, 2^320312113023 is an apocalyptic number.

320312113023 is a deficient number, since it is larger than the sum of its proper divisors (167819236737).

320312113023 is a wasteful number, since it uses less digits than its factorization.

320312113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146926.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 320312113023 its reverse (320311213023), we get a palindrome (640623326046).

The spelling of 320312113023 in words is "three hundred twenty billion, three hundred twelve million, one hundred thirteen thousand, twenty-three".