142242323 has 8 divisors (see below), whose sum is σ = 147603456. Its totient is φ = 136974600.

The previous prime is 142242311. The next prime is 142242367. The reversal of 142242323 is 323242241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142242323 - 2⁶ = 142242259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142242623) 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 7 ways as a sum of consecutive naturals, for example, 20243 + ... + 26348.

It is an arithmetic number, because the mean of its divisors is an integer number (18450432).

Almost surely, 2^142242323 is an apocalyptic number.

142242323 is a deficient number, since it is larger than the sum of its proper divisors (5361133).

142242323 is an equidigital number, since it uses as much as digits as its factorization.

142242323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46705.

The product of its digits is 2304, while the sum is 23.

The square root of 142242323 is about 11926.5386009521. The cubic root of 142242323 is about 522.0069422113.

Adding to 142242323 its reverse (323242241), we get a palindrome (465484564).

The spelling of 142242323 in words is "one hundred forty-two million, two hundred forty-two thousand, three hundred twenty-three".