20312323241423 has 2 divisors, whose sum is σ = 20312323241424. Its totient is φ = 20312323241422.

The previous prime is 20312323241363. The next prime is 20312323241449. The reversal of 20312323241423 is 32414232321302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312323241423 - 2⁸ = 20312323241167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20312323241423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312323241723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156161620711 + 10156161620712.

It is an arithmetic number, because the mean of its divisors is an integer number (10156161620712).

Almost surely, 2^{20312323241423} is an apocalyptic number.

20312323241423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312323241423 is an equidigital number, since it uses as much as digits as its factorization.

20312323241423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20312323241423 its reverse (32414232321302), we get a palindrome (52726555562725).

The spelling of 20312323241423 in words is "twenty trillion, three hundred twelve billion, three hundred twenty-three million, two hundred forty-one thousand, four hundred twenty-three".