142222323 has 16 divisors (see below), whose sum is σ = 203540256. Its totient is φ = 88012800.

The previous prime is 142222321. The next prime is 142222343. The reversal of 142222323 is 323222241.

It is not a de Polignac number, because 142222323 - 2¹ = 142222321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142222323.

It is not an unprimeable number, because it can be changed into a prime (142222321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (12721266).

Almost surely, 2^142222323 is an apocalyptic number.

142222323 is a deficient number, since it is larger than the sum of its proper divisors (61317933).

142222323 is a wasteful number, since it uses less digits than its factorization.

142222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38294.

The product of its digits is 1152, while the sum is 21.

The square root of 142222323 is about 11925.7001052349. The cubic root of 142222323 is about 521.9824754470.

Adding to 142222323 its reverse (323222241), we get a palindrome (465444564).

The spelling of 142222323 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred twenty-three".