142371717111523 has 2 divisors, whose sum is σ = 142371717111524. Its totient is φ = 142371717111522.

The previous prime is 142371717111511. The next prime is 142371717111527. The reversal of 142371717111523 is 325111717173241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142371717111523 - 2¹³ = 142371717103331 is a prime.

It is not a weakly prime, because it can be changed into another prime (142371717111527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71185858555761 + 71185858555762.

It is an arithmetic number, because the mean of its divisors is an integer number (71185858555762).

Almost surely, 2^{142371717111523} is an apocalyptic number.

142371717111523 is a deficient number, since it is larger than the sum of its proper divisors (1).

142371717111523 is an equidigital number, since it uses as much as digits as its factorization.

142371717111523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 46.

The spelling of 142371717111523 in words is "one hundred forty-two trillion, three hundred seventy-one billion, seven hundred seventeen million, one hundred eleven thousand, five hundred twenty-three".