30320423300 has 72 divisors (see below), whose sum is σ = 67653977160. Its totient is φ = 11786342400.

The previous prime is 30320423213. The next prime is 30320423339. The reversal of 30320423300 is 332402303.

It can be written as a sum of positive squares in 12 ways, for example, as 8623722496 + 21696700804 = 92864^2 + 147298^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3432890 + ... + 3441710.

Almost surely, 2^30320423300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30320423300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33826988580).

30320423300 is an abundant number, since it is smaller than the sum of its proper divisors (37333553860).

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

30320423300 is a wasteful number, since it uses less digits than its factorization.

30320423300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801 (or 9794 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30320423300 its reverse (332402303), we get a palindrome (30652825603).

The spelling of 30320423300 in words is "thirty billion, three hundred twenty million, four hundred twenty-three thousand, three hundred".