142323343243 has 4 divisors (see below), whose sum is σ = 143045796960. Its totient is φ = 141600889528.

The previous prime is 142323343237. The next prime is 142323343277. The reversal of 142323343243 is 342343323241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342343323241 = 131 ⋅2613307811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142323343243 is a prime.

It is a super-3 number, since 3×142323343243³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142323343199 and 142323343208.

It is not an unprimeable number, because it can be changed into a prime (142323349243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361226563 + ... + 361226956.

It is an arithmetic number, because the mean of its divisors is an integer number (35761449240).

Almost surely, 2^142323343243 is an apocalyptic number.

142323343243 is a deficient number, since it is larger than the sum of its proper divisors (722453717).

142323343243 is an equidigital number, since it uses as much as digits as its factorization.

142323343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722453716.

The product of its digits is 124416, while the sum is 34.

Adding to 142323343243 its reverse (342343323241), we get a palindrome (484666666484).

The spelling of 142323343243 in words is "one hundred forty-two billion, three hundred twenty-three million, three hundred forty-three thousand, two hundred forty-three".