100323204128 has 96 divisors (see below), whose sum is σ = 233745523200. Its totient is φ = 41471345664.

The previous prime is 100323204127. The next prime is 100323204139. The reversal of 100323204128 is 821402323001.

It is a junction number, because it is equal to n+sod(n) for n = 100323204097 and 100323204106.

It is not an unprimeable number, because it can be changed into a prime (100323204127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6937001 + ... + 6951447.

It is an arithmetic number, because the mean of its divisors is an integer number (2434849200).

Almost surely, 2^100323204128 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 100323204128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116872761600).

100323204128 is an abundant number, since it is smaller than the sum of its proper divisors (133422319072).

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

100323204128 is a wasteful number, since it uses less digits than its factorization.

100323204128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562 (or 15554 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 100323204128 its reverse (821402323001), we get a palindrome (921725527129).

The spelling of 100323204128 in words is "one hundred billion, three hundred twenty-three million, two hundred four thousand, one hundred twenty-eight".