142222112423423 has 2 divisors, whose sum is σ = 142222112423424. Its totient is φ = 142222112423422.

The previous prime is 142222112423411. The next prime is 142222112423453. The reversal of 142222112423423 is 324324211222241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (324324211222241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142222112423423 - 2¹⁶ = 142222112357887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142222112423453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111056211711 + 71111056211712.

It is an arithmetic number, because the mean of its divisors is an integer number (71111056211712).

Almost surely, 2^{142222112423423} is an apocalyptic number.

142222112423423 is a deficient number, since it is larger than the sum of its proper divisors (1).

142222112423423 is an equidigital number, since it uses as much as digits as its factorization.

142222112423423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 35.

Adding to 142222112423423 its reverse (324324211222241), we get a palindrome (466546323645664).

The spelling of 142222112423423 in words is "one hundred forty-two trillion, two hundred twenty-two billion, one hundred twelve million, four hundred twenty-three thousand, four hundred twenty-three".