222423454543 has 2 divisors, whose sum is σ = 222423454544. Its totient is φ = 222423454542.

The previous prime is 222423454541. The next prime is 222423454549. The reversal of 222423454543 is 345454324222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222423454543 - 2¹ = 222423454541 is a prime.

Together with 222423454541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222423454496 and 222423454505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222423454541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111211727271 + 111211727272.

It is an arithmetic number, because the mean of its divisors is an integer number (111211727272).

Almost surely, 2^222423454543 is an apocalyptic number.

222423454543 is a deficient number, since it is larger than the sum of its proper divisors (1).

222423454543 is an equidigital number, since it uses as much as digits as its factorization.

222423454543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921600, while the sum is 40.

Adding to 222423454543 its reverse (345454324222), we get a palindrome (567877778765).

The spelling of 222423454543 in words is "two hundred twenty-two billion, four hundred twenty-three million, four hundred fifty-four thousand, five hundred forty-three".