5105420440423 has 2 divisors, whose sum is σ = 5105420440424. Its totient is φ = 5105420440422.

The previous prime is 5105420440381. The next prime is 5105420440453. The reversal of 5105420440423 is 3240440245015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105420440423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105420440453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552710220211 + 2552710220212.

It is an arithmetic number, because the mean of its divisors is an integer number (2552710220212).

Almost surely, 2^{5105420440423} is an apocalyptic number.

5105420440423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105420440423 is an equidigital number, since it uses as much as digits as its factorization.

5105420440423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 5105420440423 its reverse (3240440245015), we get a palindrome (8345860685438).

The spelling of 5105420440423 in words is "five trillion, one hundred five billion, four hundred twenty million, four hundred forty thousand, four hundred twenty-three".