12103023 has 4 divisors (see below), whose sum is σ = 16137368. Its totient is φ = 8068680.

The previous prime is 12103009. The next prime is 12103043. The reversal of 12103023 is 32030121.

It is a happy number.

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

It is not a de Polignac number, because 12103023 - 2⁹ = 12102511 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 (12103043) 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, 2017168 + ... + 2017173.

It is an arithmetic number, because the mean of its divisors is an integer number (4034342).

Almost surely, 2^12103023 is an apocalyptic number.

12103023 is a deficient number, since it is larger than the sum of its proper divisors (4034345).

12103023 is an equidigital number, since it uses as much as digits as its factorization.

12103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034344.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12103023 is about 3478.9399247472. The cubic root of 12103023 is about 229.5961596459.

Adding to 12103023 its reverse (32030121), we get a palindrome (44133144).

The spelling of 12103023 in words is "twelve million, one hundred three thousand, twenty-three".