142031205023 has 4 divisors (see below), whose sum is σ = 142047730800. Its totient is φ = 142014679248.

The previous prime is 142031205013. The next prime is 142031205067. The reversal of 142031205023 is 320502130241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320502130241 = 2683 ⋅119456627.

It is a cyclic number.

It is not a de Polignac number, because 142031205023 - 2⁴ = 142031205007 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 142031205023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031205013) 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 3 ways as a sum of consecutive naturals, for example, 8249990 + ... + 8267187.

It is an arithmetic number, because the mean of its divisors is an integer number (35511932700).

Almost surely, 2^142031205023 is an apocalyptic number.

142031205023 is a deficient number, since it is larger than the sum of its proper divisors (16525777).

142031205023 is an equidigital number, since it uses as much as digits as its factorization.

142031205023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525776.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 142031205023 its reverse (320502130241), we get a palindrome (462533335264).

The spelling of 142031205023 in words is "one hundred forty-two billion, thirty-one million, two hundred five thousand, twenty-three".