100123020300 has 72 divisors (see below), whose sum is σ = 289780675072. Its totient is φ = 26691048000.

The previous prime is 100123020247. The next prime is 100123020307. The reversal of 100123020300 is 3020321001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100123020307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 930285 + ... + 1032315.

Almost surely, 2^100123020300 is an apocalyptic number.

100123020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100123020300 is an abundant number, since it is smaller than the sum of its proper divisors (189657654772).

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

100123020300 is a wasteful number, since it uses less digits than its factorization.

100123020300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105319 (or 105312 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100123020300 its reverse (3020321001), we get a palindrome (103143341301).

The spelling of 100123020300 in words is "one hundred billion, one hundred twenty-three million, twenty thousand, three hundred".