142717531823 has 2 divisors, whose sum is σ = 142717531824. Its totient is φ = 142717531822.

The previous prime is 142717531739. The next prime is 142717531841. The reversal of 142717531823 is 328135717241.

142717531823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142717531823 - 2²⁴ = 142700754607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142717531883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71358765911 + 71358765912.

It is an arithmetic number, because the mean of its divisors is an integer number (71358765912).

Almost surely, 2^142717531823 is an apocalyptic number.

142717531823 is a deficient number, since it is larger than the sum of its proper divisors (1).

142717531823 is an equidigital number, since it uses as much as digits as its factorization.

142717531823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The spelling of 142717531823 in words is "one hundred forty-two billion, seven hundred seventeen million, five hundred thirty-one thousand, eight hundred twenty-three".