12108123 has 20 divisors (see below), whose sum is σ = 18315528. Its totient is φ = 7970400.

The previous prime is 12108113. The next prime is 12108133. The reversal of 12108123 is 32180121.

12108123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12108113) and next prime (12108133).

It is not a de Polignac number, because 12108123 - 2⁵ = 12108091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12108096 and 12108105.

It is not an unprimeable number, because it can be changed into a prime (12108113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5823 + ... + 7623.

Almost surely, 2^12108123 is an apocalyptic number.

12108123 is a deficient number, since it is larger than the sum of its proper divisors (6207405).

12108123 is an equidigital number, since it uses as much as digits as its factorization.

12108123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12108123 is about 3479.6728294482. The cubic root of 12108123 is about 229.6284043719.

Adding to 12108123 its reverse (32180121), we get a palindrome (44288244).

It can be divided in two parts, 121081 and 23, that added together give a square (121104 = 348²).

The spelling of 12108123 in words is "twelve million, one hundred eight thousand, one hundred twenty-three".