100123031103 has 8 divisors (see below), whose sum is σ = 133616893488. Its totient is φ = 66688928064.

The previous prime is 100123031087. The next prime is 100123031119. The reversal of 100123031103 is 301130321001.

It is an interprime number because it is at equal distance from previous prime (100123031087) and next prime (100123031119).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100123031103 - 2⁴ = 100123031087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123031903) 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 7 ways as a sum of consecutive naturals, for example, 14935926 + ... + 14942627.

It is an arithmetic number, because the mean of its divisors is an integer number (16702111686).

Almost surely, 2^100123031103 is an apocalyptic number.

100123031103 is a deficient number, since it is larger than the sum of its proper divisors (33493862385).

100123031103 is a wasteful number, since it uses less digits than its factorization.

100123031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29879673.

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

Adding to 100123031103 its reverse (301130321001), we get a palindrome (401253352104).

The spelling of 100123031103 in words is "one hundred billion, one hundred twenty-three million, thirty-one thousand, one hundred three".