12342023423 has 2 divisors, whose sum is σ = 12342023424. Its totient is φ = 12342023422.

The previous prime is 12342023411. The next prime is 12342023453. The reversal of 12342023423 is 32432024321.

It is a weak prime.

It is an emirp because it is prime and its reverse (32432024321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12342023423 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12342023392 and 12342023401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12342023453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171011711 + 6171011712.

It is an arithmetic number, because the mean of its divisors is an integer number (6171011712).

Almost surely, 2^12342023423 is an apocalyptic number.

12342023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12342023423 is an equidigital number, since it uses as much as digits as its factorization.

12342023423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12342023423 its reverse (32432024321), we get a palindrome (44774047744).

The spelling of 12342023423 in words is "twelve billion, three hundred forty-two million, twenty-three thousand, four hundred twenty-three".