312124216423 has 2 divisors, whose sum is σ = 312124216424. Its totient is φ = 312124216422.

The previous prime is 312124216399. The next prime is 312124216429. The reversal of 312124216423 is 324612421213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312124216423 - 2⁹ = 312124215911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312124216429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156062108211 + 156062108212.

It is an arithmetic number, because the mean of its divisors is an integer number (156062108212).

Almost surely, 2^312124216423 is an apocalyptic number.

312124216423 is a deficient number, since it is larger than the sum of its proper divisors (1).

312124216423 is an equidigital number, since it uses as much as digits as its factorization.

312124216423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

Adding to 312124216423 its reverse (324612421213), we get a palindrome (636736637636).

The spelling of 312124216423 in words is "three hundred twelve billion, one hundred twenty-four million, two hundred sixteen thousand, four hundred twenty-three".