5320431951623 has 2 divisors, whose sum is σ = 5320431951624. Its totient is φ = 5320431951622.

The previous prime is 5320431951581. The next prime is 5320431951673. The reversal of 5320431951623 is 3261591340235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5320431951623 - 2⁶ = 5320431951559 is a prime.

It is a super-2 number, since 2×5320431951623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5320431951673) 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, 2660215975811 + 2660215975812.

It is an arithmetic number, because the mean of its divisors is an integer number (2660215975812).

Almost surely, 2^{5320431951623} is an apocalyptic number.

5320431951623 is a deficient number, since it is larger than the sum of its proper divisors (1).

5320431951623 is an equidigital number, since it uses as much as digits as its factorization.

5320431951623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 5320431951623 in words is "five trillion, three hundred twenty billion, four hundred thirty-one million, nine hundred fifty-one thousand, six hundred twenty-three".