142022323 has 8 divisors (see below), whose sum is σ = 143016192. Its totient is φ = 141032136.

The previous prime is 142022299. The next prime is 142022333. The reversal of 142022323 is 323220241.

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 142022323 - 2⁹ = 142021811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142022323.

It is not an unprimeable number, because it can be changed into a prime (142022333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146386 + ... + 147352.

It is an arithmetic number, because the mean of its divisors is an integer number (17877024).

Almost surely, 2^142022323 is an apocalyptic number.

142022323 is a deficient number, since it is larger than the sum of its proper divisors (993869).

142022323 is an equidigital number, since it uses as much as digits as its factorization.

142022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142022323 is about 11917.3119032775. The cubic root of 142022323 is about 521.7376815520.

Adding to 142022323 its reverse (323220241), we get a palindrome (465242564).

The spelling of 142022323 in words is "one hundred forty-two million, twenty-two thousand, three hundred twenty-three".