142031869523 has 2 divisors, whose sum is σ = 142031869524. Its totient is φ = 142031869522.

The previous prime is 142031869451. The next prime is 142031869561. The reversal of 142031869523 is 325968130241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142031869523 - 2⁸ = 142031869267 is a prime.

It is not a weakly prime, because it can be changed into another prime (142031869823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015934761 + 71015934762.

It is an arithmetic number, because the mean of its divisors is an integer number (71015934762).

Almost surely, 2^142031869523 is an apocalyptic number.

142031869523 is a deficient number, since it is larger than the sum of its proper divisors (1).

142031869523 is an equidigital number, since it uses as much as digits as its factorization.

142031869523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

Adding to 142031869523 its reverse (325968130241), we get a palindrome (467999999764).

It can be divided in two parts, 1420318 and 69523, that added together give a palindrome (1489841).

The spelling of 142031869523 in words is "one hundred forty-two billion, thirty-one million, eight hundred sixty-nine thousand, five hundred twenty-three".