142321023512429 has 2 divisors, whose sum is σ = 142321023512430. Its totient is φ = 142321023512428.

The previous prime is 142321023512417. The next prime is 142321023512489. The reversal of 142321023512429 is 924215320123241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106155209017225 + 36165814495204 = 10303165^2 + 6013802^2 .

It is a cyclic number.

It is not a de Polignac number, because 142321023512429 - 2⁴ = 142321023512413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321023512489) 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, 71160511756214 + 71160511756215.

It is an arithmetic number, because the mean of its divisors is an integer number (71160511756215).

Almost surely, 2^{142321023512429} is an apocalyptic number.

It is an amenable number.

142321023512429 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321023512429 is an equidigital number, since it uses as much as digits as its factorization.

142321023512429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 142321023512429 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twenty-three million, five hundred twelve thousand, four hundred twenty-nine".