320423323242 has 32 divisors (see below), whose sum is σ = 699215235264. Its totient is φ = 97082726400.

The previous prime is 320423323193. The next prime is 320423323309. The reversal of 320423323242 is 242323324023.

It is a super-2 number, since 2×320423323242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45738 + ... + 801834.

It is an arithmetic number, because the mean of its divisors is an integer number (21850476102).

Almost surely, 2^320423323242 is an apocalyptic number.

320423323242 is an abundant number, since it is smaller than the sum of its proper divisors (378791912022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320423323242 is a wasteful number, since it uses less digits than its factorization.

320423323242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762534.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 320423323242 its reverse (242323324023), we get a palindrome (562746647265).

The spelling of 320423323242 in words is "three hundred twenty billion, four hundred twenty-three million, three hundred twenty-three thousand, two hundred forty-two".