12344123423 has 2 divisors, whose sum is σ = 12344123424. Its totient is φ = 12344123422.

The previous prime is 12344123371. The next prime is 12344123447. The reversal of 12344123423 is 32432144321.

It is a strong prime.

It is an emirp because it is prime and its reverse (32432144321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12344123423 - 2⁶ = 12344123359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344123123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172061711 + 6172061712.

It is an arithmetic number, because the mean of its divisors is an integer number (6172061712).

Almost surely, 2^12344123423 is an apocalyptic number.

12344123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344123423 is an equidigital number, since it uses as much as digits as its factorization.

12344123423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

Adding to 12344123423 its reverse (32432144321), we get a palindrome (44776267744).

The spelling of 12344123423 in words is "twelve billion, three hundred forty-four million, one hundred twenty-three thousand, four hundred twenty-three".