12124352423 has 4 divisors (see below), whose sum is σ = 12211578120. Its totient is φ = 12037126728.

The previous prime is 12124352413. The next prime is 12124352453. The reversal of 12124352423 is 32425342121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32425342121 = 809 ⋅40080769.

It is a cyclic number.

It is not a de Polignac number, because 12124352423 - 2²⁰ = 12123303847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124352413) 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, 43612640 + ... + 43612917.

It is an arithmetic number, because the mean of its divisors is an integer number (3052894530).

Almost surely, 2^12124352423 is an apocalyptic number.

12124352423 is a deficient number, since it is larger than the sum of its proper divisors (87225697).

12124352423 is an equidigital number, since it uses as much as digits as its factorization.

12124352423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87225696.

The product of its digits is 11520, while the sum is 29.

Adding to 12124352423 its reverse (32425342121), we get a palindrome (44549694544).

The spelling of 12124352423 in words is "twelve billion, one hundred twenty-four million, three hundred fifty-two thousand, four hundred twenty-three".