12030123 has 16 divisors (see below), whose sum is σ = 18475776. Its totient is φ = 6820320.

The previous prime is 12030121. The next prime is 12030131. The reversal of 12030123 is 32103021.

It is a happy number.

12030123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12030123 - 2¹ = 12030121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12030099 and 12030108.

It is not an unprimeable number, because it can be changed into a prime (12030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (1154736).

Almost surely, 2^12030123 is an apocalyptic number.

12030123 is a deficient number, since it is larger than the sum of its proper divisors (6445653).

12030123 is a wasteful number, since it uses less digits than its factorization.

12030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

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

The square root of 12030123 is about 3468.4467705300. The cubic root of 12030123 is about 229.1342563679.

Adding to 12030123 its reverse (32103021), we get a palindrome (44133144).

The spelling of 12030123 in words is "twelve million, thirty thousand, one hundred twenty-three".