100123013103 has 16 divisors (see below), whose sum is σ = 133955308896. Its totient is φ = 66519797760.

The previous prime is 100123013101. The next prime is 100123013141. The reversal of 100123013103 is 301310321001.

It is not a de Polignac number, because 100123013103 - 2¹ = 100123013101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123013101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5099301 + ... + 5118897.

It is an arithmetic number, because the mean of its divisors is an integer number (8372206806).

Almost surely, 2^100123013103 is an apocalyptic number.

100123013103 is a deficient number, since it is larger than the sum of its proper divisors (33832295793).

100123013103 is a wasteful number, since it uses less digits than its factorization.

100123013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25354.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 100123013103 its reverse (301310321001), we get a palindrome (401433334104).

The spelling of 100123013103 in words is "one hundred billion, one hundred twenty-three million, thirteen thousand, one hundred three".