320423302233 has 12 divisors (see below), whose sum is σ = 462839871780. Its totient is φ = 213612667296.

The previous prime is 320423302217. The next prime is 320423302237. The reversal of 320423302233 is 332203324023.

320423302233 is a `hidden beast` number, since 3 + 2 + 0 + 423 + 3 + 0 + 2 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142700351049 + 177722951184 = 377757^2 + 421572^2 .

It is not a de Polignac number, because 320423302233 - 2⁴ = 320423302217 is a prime.

It is a super-2 number, since 2×320423302233² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320423302197 and 320423302206.

It is not an unprimeable number, because it can be changed into a prime (320423302237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638203 + ... + 1023791.

It is an arithmetic number, because the mean of its divisors is an integer number (38569989315).

Almost surely, 2^320423302233 is an apocalyptic number.

It is an amenable number.

320423302233 is a deficient number, since it is larger than the sum of its proper divisors (142416569547).

320423302233 is a wasteful number, since it uses less digits than its factorization.

320423302233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477928 (or 477925 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 320423302233 its reverse (332203324023), we get a palindrome (652626626256).

The spelling of 320423302233 in words is "three hundred twenty billion, four hundred twenty-three million, three hundred two thousand, two hundred thirty-three".