431717713723 has 2 divisors, whose sum is σ = 431717713724. Its totient is φ = 431717713722.

The previous prime is 431717713681. The next prime is 431717713771. The reversal of 431717713723 is 327317717134.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431717713723 is a prime.

It is not a weakly prime, because it can be changed into another prime (431717713783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215858856861 + 215858856862.

It is an arithmetic number, because the mean of its divisors is an integer number (215858856862).

Almost surely, 2^431717713723 is an apocalyptic number.

431717713723 is a deficient number, since it is larger than the sum of its proper divisors (1).

431717713723 is an equidigital number, since it uses as much as digits as its factorization.

431717713723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518616, while the sum is 46.

The spelling of 431717713723 in words is "four hundred thirty-one billion, seven hundred seventeen million, seven hundred thirteen thousand, seven hundred twenty-three".