320423311003203 has 12 divisors (see below), whose sum is σ = 477763789883328. Its totient is φ = 206724716776080.

The previous prime is 320423311003183. The next prime is 320423311003231. The reversal of 320423311003203 is 302300113324023.

320423311003203 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 2 + 331 + 1 + 0 + 0 + 320 + 3 = 666.

It is not a de Polignac number, because 320423311003203 - 2¹⁴ = 320423310986819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320423318003203) 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 11 ways as a sum of consecutive naturals, for example, 574235324100 + ... + 574235324657.

It is an arithmetic number, because the mean of its divisors is an integer number (39813649156944).

Almost surely, 2^{320423311003203} is an apocalyptic number.

320423311003203 is a deficient number, since it is larger than the sum of its proper divisors (157340478880125).

320423311003203 is a wasteful number, since it uses less digits than its factorization.

320423311003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148470648794 (or 1148470648791 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 320423311003203 its reverse (302300113324023), we get a palindrome (622723424327226).

The spelling of 320423311003203 in words is "three hundred twenty trillion, four hundred twenty-three billion, three hundred eleven million, three thousand, two hundred three".