142323531101303 has 4 divisors (see below), whose sum is σ = 142608748599000. Its totient is φ = 142038313603608.

The previous prime is 142323531101293. The next prime is 142323531101321. The reversal of 142323531101303 is 303101135323241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142323531101303 - 2¹⁰ = 142323531100279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142323531101303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323531101363) 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 in 3 ways as a sum of consecutive naturals, for example, 142608748100 + ... + 142608749097.

It is an arithmetic number, because the mean of its divisors is an integer number (35652187149750).

Almost surely, 2^{142323531101303} is an apocalyptic number.

142323531101303 is a deficient number, since it is larger than the sum of its proper divisors (285217497697).

142323531101303 is an equidigital number, since it uses as much as digits as its factorization.

142323531101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285217497696.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 142323531101303 its reverse (303101135323241), we get a palindrome (445424666424544).

The spelling of 142323531101303 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred thirty-one million, one hundred one thousand, three hundred three".