320322545123 has 32 divisors (see below), whose sum is σ = 377256604032. Its totient is φ = 266266828800.

The previous prime is 320322545113. The next prime is 320322545129. The reversal of 320322545123 is 321545223023.

It is not a de Polignac number, because 320322545123 - 2⁴ = 320322545107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320322545123.

It is not an unprimeable number, because it can be changed into a prime (320322545129) 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 31 ways as a sum of consecutive naturals, for example, 34915565 + ... + 34924737.

It is an arithmetic number, because the mean of its divisors is an integer number (11789268876).

Almost surely, 2^320322545123 is an apocalyptic number.

320322545123 is a deficient number, since it is larger than the sum of its proper divisors (56934058909).

320322545123 is a wasteful number, since it uses less digits than its factorization.

320322545123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 320322545123 its reverse (321545223023), we get a palindrome (641867768146).

The spelling of 320322545123 in words is "three hundred twenty billion, three hundred twenty-two million, five hundred forty-five thousand, one hundred twenty-three".