123000103 has 4 divisors (see below), whose sum is σ = 123468048. Its totient is φ = 122532160.

The previous prime is 123000037. The next prime is 123000133. The reversal of 123000103 is 301000321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123000103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000133) 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, 233578 + ... + 234103.

It is an arithmetic number, because the mean of its divisors is an integer number (30867012).

Almost surely, 2^123000103 is an apocalyptic number.

123000103 is a deficient number, since it is larger than the sum of its proper divisors (467945).

123000103 is an equidigital number, since it uses as much as digits as its factorization.

123000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467944.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 123000103 is about 11090.5411500071. The cubic root of 123000103 is about 497.3191221449.

Adding to 123000103 its reverse (301000321), we get a palindrome (424000424).

The spelling of 123000103 in words is "one hundred twenty-three million, one hundred three", and thus it is an aban number.