12312106423 has 2 divisors, whose sum is σ = 12312106424. Its totient is φ = 12312106422.

The previous prime is 12312106409. The next prime is 12312106447. The reversal of 12312106423 is 32460121321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312106423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312106403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156053211 + 6156053212.

It is an arithmetic number, because the mean of its divisors is an integer number (6156053212).

Almost surely, 2^12312106423 is an apocalyptic number.

12312106423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312106423 is an equidigital number, since it uses as much as digits as its factorization.

12312106423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12312106423 its reverse (32460121321), we get a palindrome (44772227744).

The spelling of 12312106423 in words is "twelve billion, three hundred twelve million, one hundred six thousand, four hundred twenty-three".