20324303134423 has 2 divisors, whose sum is σ = 20324303134424. Its totient is φ = 20324303134422.

The previous prime is 20324303134397. The next prime is 20324303134501. The reversal of 20324303134423 is 32443130342302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20324303134423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324303174423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162151567211 + 10162151567212.

It is an arithmetic number, because the mean of its divisors is an integer number (10162151567212).

Almost surely, 2^{20324303134423} is an apocalyptic number.

20324303134423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324303134423 is an equidigital number, since it uses as much as digits as its factorization.

20324303134423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 20324303134423 its reverse (32443130342302), we get a palindrome (52767433476725).

The spelling of 20324303134423 in words is "twenty trillion, three hundred twenty-four billion, three hundred three million, one hundred thirty-four thousand, four hundred twenty-three".