12103120323 has 24 divisors (see below), whose sum is σ = 20081194848. Its totient is φ = 6880954752.

The previous prime is 12103120319. The next prime is 12103120331. The reversal of 12103120323 is 32302130121.

It is not a de Polignac number, because 12103120323 - 2² = 12103120319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12103120296 and 12103120305.

It is not an unprimeable number, because it can be changed into a prime (12103120303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475186 + ... + 500007.

It is an arithmetic number, because the mean of its divisors is an integer number (836716452).

Almost surely, 2^12103120323 is an apocalyptic number.

12103120323 is a deficient number, since it is larger than the sum of its proper divisors (7978074525).

12103120323 is a wasteful number, since it uses less digits than its factorization.

12103120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975403 (or 975400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12103120323 its reverse (32302130121), we get a palindrome (44405250444).

The spelling of 12103120323 in words is "twelve billion, one hundred three million, one hundred twenty thousand, three hundred twenty-three".