100123300 has 36 divisors (see below), whose sum is σ = 218954736. Its totient is φ = 39738400.

The previous prime is 100123297. The next prime is 100123321. The reversal of 100123300 is 3321001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9279 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (6082076).

Almost surely, 2^100123300 is an apocalyptic number.

100123300 is a gapful number since it is divisible by the number (10) 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 100123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109477368).

100123300 is an abundant number, since it is smaller than the sum of its proper divisors (118831436).

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

100123300 is a wasteful number, since it uses less digits than its factorization.

100123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788 (or 7781 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100123300 is about 10006.1631008094. The cubic root of 100123300 is about 464.3495743098.

Adding to 100123300 its reverse (3321001), we get a palindrome (103444301).

The spelling of 100123300 in words is "one hundred million, one hundred twenty-three thousand, three hundred".