142031220323 has 16 divisors (see below), whose sum is σ = 147196008960. Its totient is φ = 136884535200.

The previous prime is 142031220313. The next prime is 142031220329. The reversal of 142031220323 is 323022130241.

It is a cyclic number.

It is not a de Polignac number, because 142031220323 - 2²⁰ = 142030171747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142031220329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66648968 + ... + 66651098.

It is an arithmetic number, because the mean of its divisors is an integer number (9199750560).

Almost surely, 2^142031220323 is an apocalyptic number.

142031220323 is a deficient number, since it is larger than the sum of its proper divisors (5164788637).

142031220323 is a wasteful number, since it uses less digits than its factorization.

142031220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 142031220323 its reverse (323022130241), we get a palindrome (465053350564).

The spelling of 142031220323 in words is "one hundred forty-two billion, thirty-one million, two hundred twenty thousand, three hundred twenty-three".