22142434423 has 2 divisors, whose sum is σ = 22142434424. Its totient is φ = 22142434422.

The previous prime is 22142434421. The next prime is 22142434459. The reversal of 22142434423 is 32443424122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22142434423 - 2¹ = 22142434421 is a prime.

Together with 22142434421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22142434421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071217211 + 11071217212.

It is an arithmetic number, because the mean of its divisors is an integer number (11071217212).

Almost surely, 2^22142434423 is an apocalyptic number.

22142434423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142434423 is an equidigital number, since it uses as much as digits as its factorization.

22142434423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 31.

Adding to 22142434423 its reverse (32443424122), we get a palindrome (54585858545).

The spelling of 22142434423 in words is "twenty-two billion, one hundred forty-two million, four hundred thirty-four thousand, four hundred twenty-three".