142340423131 has 16 divisors (see below), whose sum is σ = 147999033504. Its totient is φ = 136778298624.

The previous prime is 142340423129. The next prime is 142340423153. The reversal of 142340423131 is 131324043241.

It is a happy number.

142340423131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142340423131 - 2¹ = 142340423129 is a prime.

It is a super-2 number, since 2×142340423131² (a number of 23 digits) contains 22 as substring.

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 142340423131.

It is not an unprimeable number, because it can be changed into a prime (142340423111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12023191 + ... + 12035023.

It is an arithmetic number, because the mean of its divisors is an integer number (9249939594).

Almost surely, 2^142340423131 is an apocalyptic number.

142340423131 is a deficient number, since it is larger than the sum of its proper divisors (5658610373).

142340423131 is a wasteful number, since it uses less digits than its factorization.

142340423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 142340423131 its reverse (131324043241), we get a palindrome (273664466372).

The spelling of 142340423131 in words is "one hundred forty-two billion, three hundred forty million, four hundred twenty-three thousand, one hundred thirty-one".