142323227 has 2 divisors, whose sum is σ = 142323228. Its totient is φ = 142323226.

The previous prime is 142323199. The next prime is 142323229. The reversal of 142323227 is 722323241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142323227 - 2¹⁰ = 142322203 is a prime.

Together with 142323229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 142323196 and 142323205.

It is not a weakly prime, because it can be changed into another prime (142323229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161613 + 71161614.

It is an arithmetic number, because the mean of its divisors is an integer number (71161614).

Almost surely, 2^142323227 is an apocalyptic number.

142323227 is a deficient number, since it is larger than the sum of its proper divisors (1).

142323227 is an equidigital number, since it uses as much as digits as its factorization.

142323227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 142323227 is about 11929.9298824427. The cubic root of 142323227 is about 522.1058917700.

Adding to 142323227 its reverse (722323241), we get a palindrome (864646468).

The spelling of 142323227 in words is "one hundred forty-two million, three hundred twenty-three thousand, two hundred twenty-seven".