20123133230300 has 72 divisors (see below), whose sum is σ = 45585761095392. Its totient is φ = 7695908352000.

The previous prime is 20123133230297. The next prime is 20123133230351. The reversal of 20123133230300 is 303233132102.

It is a super-2 number, since 2×20123133230300² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 3328460 + ... + 7164140.

Almost surely, 2^{20123133230300} is an apocalyptic number.

20123133230300 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 20123133230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22792880547696).

20123133230300 is an abundant number, since it is smaller than the sum of its proper divisors (25462627865092).

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

20123133230300 is a wasteful number, since it uses less digits than its factorization.

20123133230300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837999 (or 3837992 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20123133230300 its reverse (303233132102), we get a palindrome (20426366362402).

The spelling of 20123133230300 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, two hundred thirty thousand, three hundred".