142112323 has 2 divisors, whose sum is σ = 142112324. Its totient is φ = 142112322.

The previous prime is 142112287. The next prime is 142112363. The reversal of 142112323 is 323211241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142112323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142112323.

It is not a weakly prime, because it can be changed into another prime (142112363) 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 as a sum of consecutive naturals, namely, 71056161 + 71056162.

It is an arithmetic number, because the mean of its divisors is an integer number (71056162).

Almost surely, 2^142112323 is an apocalyptic number.

142112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

142112323 is an equidigital number, since it uses as much as digits as its factorization.

142112323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 142112323 is about 11921.0873245690. The cubic root of 142112323 is about 521.8478672257.

Adding to 142112323 its reverse (323211241), we get a palindrome (465323564).

The spelling of 142112323 in words is "one hundred forty-two million, one hundred twelve thousand, three hundred twenty-three".