12423041123 has 4 divisors (see below), whose sum is σ = 12726042168. Its totient is φ = 12120040080.

The previous prime is 12423041093. The next prime is 12423041171. The reversal of 12423041123 is 32114032421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32114032421 = 197 ⋅163015393.

It is a cyclic number.

It is not a de Polignac number, because 12423041123 - 2⁸ = 12423040867 is a prime.

It is a super-2 number, since 2×12423041123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423041623) 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, 151500461 + ... + 151500542.

It is an arithmetic number, because the mean of its divisors is an integer number (3181510542).

Almost surely, 2^12423041123 is an apocalyptic number.

12423041123 is a deficient number, since it is larger than the sum of its proper divisors (303001045).

12423041123 is an equidigital number, since it uses as much as digits as its factorization.

12423041123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303001044.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12423041123 its reverse (32114032421), we get a palindrome (44537073544).

The spelling of 12423041123 in words is "twelve billion, four hundred twenty-three million, forty-one thousand, one hundred twenty-three".