12127023 has 8 divisors (see below), whose sum is σ = 17966000. Its totient is φ = 8084664.

The previous prime is 12127019. The next prime is 12127043. The reversal of 12127023 is 32072121.

It is not a de Polignac number, because 12127023 - 2² = 12127019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12126987 and 12127005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127043) 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 7 ways as a sum of consecutive naturals, for example, 224548 + ... + 224601.

It is an arithmetic number, because the mean of its divisors is an integer number (2245750).

Almost surely, 2^12127023 is an apocalyptic number.

12127023 is a deficient number, since it is larger than the sum of its proper divisors (5838977).

12127023 is an equidigital number, since it uses as much as digits as its factorization.

12127023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449158 (or 449152 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12127023 is about 3482.3875430515. The cubic root of 12127023 is about 229.7478206420.

Adding to 12127023 its reverse (32072121), we get a palindrome (44199144).

The spelling of 12127023 in words is "twelve million, one hundred twenty-seven thousand, twenty-three".