142342041321 has 24 divisors (see below), whose sum is σ = 208513038240. Its totient is φ = 93553742016.

The previous prime is 142342041311. The next prime is 142342041323. The reversal of 142342041321 is 123140243241.

142342041321 is a `hidden beast` number, since 1 + 423 + 4 + 204 + 1 + 32 + 1 = 666.

142342041321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142342041321 - 2²¹ = 142339944169 is a prime.

It is a super-3 number, since 3×142342041321³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142342041323) 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 23 ways as a sum of consecutive naturals, for example, 1490410 + ... + 1583036.

It is an arithmetic number, because the mean of its divisors is an integer number (8688043260).

Almost surely, 2^142342041321 is an apocalyptic number.

It is an amenable number.

142342041321 is a deficient number, since it is larger than the sum of its proper divisors (66170996919).

142342041321 is a wasteful number, since it uses less digits than its factorization.

142342041321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95045 (or 95042 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 142342041321 its reverse (123140243241), we get a palindrome (265482284562).

The spelling of 142342041321 in words is "one hundred forty-two billion, three hundred forty-two million, forty-one thousand, three hundred twenty-one".