142344211423 has 4 divisors (see below), whose sum is σ = 144468751960. Its totient is φ = 140219670888.

The previous prime is 142344211403. The next prime is 142344211463. The reversal of 142344211423 is 324112443241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142344211423 - 2²⁹ = 141807340511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142344211403) 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, 1062270168 + ... + 1062270301.

It is an arithmetic number, because the mean of its divisors is an integer number (36117187990).

Almost surely, 2^142344211423 is an apocalyptic number.

142344211423 is a deficient number, since it is larger than the sum of its proper divisors (2124540537).

142344211423 is an equidigital number, since it uses as much as digits as its factorization.

142344211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124540536.

The product of its digits is 18432, while the sum is 31.

Adding to 142344211423 its reverse (324112443241), we get a palindrome (466456654664).

The spelling of 142344211423 in words is "one hundred forty-two billion, three hundred forty-four million, two hundred eleven thousand, four hundred twenty-three".