20123230300 has 72 divisors (see below), whose sum is σ = 45440841600. Its totient is φ = 7728745920.

The previous prime is 20123230289. The next prime is 20123230349. The reversal of 20123230300 is 303232102.

It is a congruent number.

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, 214041 + ... + 293359.

It is an arithmetic number, because the mean of its divisors is an integer number (631122800).

Almost surely, 2^20123230300 is an apocalyptic number.

20123230300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20123230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22720420800).

20123230300 is an abundant number, since it is smaller than the sum of its proper divisors (25317611300).

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

20123230300 is a wasteful number, since it uses less digits than its factorization.

20123230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79435 (or 79428 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20123230300 its reverse (303232102), we get a palindrome (20426462402).

The spelling of 20123230300 in words is "twenty billion, one hundred twenty-three million, two hundred thirty thousand, three hundred".