100123123110 has 32 divisors (see below), whose sum is σ = 240303905280. Its totient is φ = 26698565088.

The previous prime is 100123123097. The next prime is 100123123117. The reversal of 100123123110 is 11321321001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100123123110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123123117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1461811 + ... + 1528769.

It is an arithmetic number, because the mean of its divisors is an integer number (7509497040).

Almost surely, 2^100123123110 is an apocalyptic number.

100123123110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100123123110 is an abundant number, since it is smaller than the sum of its proper divisors (140180782170).

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

100123123110 is a wasteful number, since it uses less digits than its factorization.

100123123110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116812.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100123123110 its reverse (11321321001), we get a palindrome (111444444111).

The spelling of 100123123110 in words is "one hundred billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred ten".