142134323 has 4 divisors (see below), whose sum is σ = 142544280. Its totient is φ = 141724368.

The previous prime is 142134313. The next prime is 142134341. The reversal of 142134323 is 323431241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323431241 = 7 ⋅46204463.

It is a cyclic number.

It is not a de Polignac number, because 142134323 - 2⁶ = 142134259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142134313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204458 + ... + 205151.

It is an arithmetic number, because the mean of its divisors is an integer number (35636070).

Almost surely, 2^142134323 is an apocalyptic number.

142134323 is a deficient number, since it is larger than the sum of its proper divisors (409957).

142134323 is an equidigital number, since it uses as much as digits as its factorization.

142134323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409956.

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

The square root of 142134323 is about 11922.0100234818. The cubic root of 142134323 is about 521.8747944254.

Adding to 142134323 its reverse (323431241), we get a palindrome (465565564).

The spelling of 142134323 in words is "one hundred forty-two million, one hundred thirty-four thousand, three hundred twenty-three".