12103023103 has 4 divisors (see below), whose sum is σ = 12141939888. Its totient is φ = 12064106320.

The previous prime is 12103023091. The next prime is 12103023169. The reversal of 12103023103 is 30132030121.

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 12103023103 - 2⁵ = 12103023071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103723103) 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, 19457926 + ... + 19458547.

It is an arithmetic number, because the mean of its divisors is an integer number (3035484972).

Almost surely, 2^12103023103 is an apocalyptic number.

12103023103 is a deficient number, since it is larger than the sum of its proper divisors (38916785).

12103023103 is an equidigital number, since it uses as much as digits as its factorization.

12103023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38916784.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12103023103 its reverse (30132030121), we get a palindrome (42235053224).

The spelling of 12103023103 in words is "twelve billion, one hundred three million, twenty-three thousand, one hundred three".