5021420123323 has 2 divisors, whose sum is σ = 5021420123324. Its totient is φ = 5021420123322.

The previous prime is 5021420123299. The next prime is 5021420123329. The reversal of 5021420123323 is 3233210241205.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5021420123323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5021420123291 and 5021420123300.

It is not a weakly prime, because it can be changed into another prime (5021420123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510710061661 + 2510710061662.

It is an arithmetic number, because the mean of its divisors is an integer number (2510710061662).

Almost surely, 2^{5021420123323} is an apocalyptic number.

5021420123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021420123323 is an equidigital number, since it uses as much as digits as its factorization.

5021420123323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 5021420123323 its reverse (3233210241205), we get a palindrome (8254630364528).

The spelling of 5021420123323 in words is "five trillion, twenty-one billion, four hundred twenty million, one hundred twenty-three thousand, three hundred twenty-three".