123500103 has 4 divisors (see below), whose sum is σ = 164666808. Its totient is φ = 82333400.

The previous prime is 123500093. The next prime is 123500107. The reversal of 123500103 is 301005321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123500103 - 2⁵ = 123500071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123500107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20583348 + ... + 20583353.

It is an arithmetic number, because the mean of its divisors is an integer number (41166702).

Almost surely, 2^123500103 is an apocalyptic number.

123500103 is a deficient number, since it is larger than the sum of its proper divisors (41166705).

123500103 is an equidigital number, since it uses as much as digits as its factorization.

123500103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41166704.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 123500103 is about 11113.0600196346. The cubic root of 123500103 is about 497.9920846793.

Adding to 123500103 its reverse (301005321), we get a palindrome (424505424).

The spelling of 123500103 in words is "one hundred twenty-three million, five hundred thousand, one hundred three".