12130023 has 4 divisors (see below), whose sum is σ = 16173368. Its totient is φ = 8086680.

The previous prime is 12130007. The next prime is 12130049. The reversal of 12130023 is 32003121.

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 12130023 - 2⁴ = 12130007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12129990 and 12130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130003) 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, 2021668 + ... + 2021673.

It is an arithmetic number, because the mean of its divisors is an integer number (4043342).

Almost surely, 2^12130023 is an apocalyptic number.

12130023 is a deficient number, since it is larger than the sum of its proper divisors (4043345).

12130023 is an equidigital number, since it uses as much as digits as its factorization.

12130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043344.

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

The square root of 12130023 is about 3482.8182553788. The cubic root of 12130023 is about 229.7667641929.

Adding to 12130023 its reverse (32003121), we get a palindrome (44133144).

The spelling of 12130023 in words is "twelve million, one hundred thirty thousand, twenty-three".