100123112223 has 12 divisors (see below), whose sum is σ = 144847901328. Its totient is φ = 66644605440.

The previous prime is 100123112213. The next prime is 100123112227. The reversal of 100123112223 is 322211321001.

It is not a de Polignac number, because 100123112223 - 2⁵ = 100123112191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100123112196 and 100123112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123112227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8671915 + ... + 8683452.

It is an arithmetic number, because the mean of its divisors is an integer number (12070658444).

Almost surely, 2^100123112223 is an apocalyptic number.

100123112223 is a deficient number, since it is larger than the sum of its proper divisors (44724789105).

100123112223 is a wasteful number, since it uses less digits than its factorization.

100123112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17356014 (or 17356011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100123112223 its reverse (322211321001), we get a palindrome (422334433224).

The spelling of 100123112223 in words is "one hundred billion, one hundred twenty-three million, one hundred twelve thousand, two hundred twenty-three".