422153134243 has 4 divisors (see below), whose sum is σ = 425234544120. Its totient is φ = 419071724368.

The previous prime is 422153134181. The next prime is 422153134261. The reversal of 422153134243 is 342431351224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422153134243 - 2²⁵ = 422119579811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422153134199 and 422153134208.

It is not an unprimeable number, because it can be changed into a prime (422153134343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540704733 + ... + 1540705006.

It is an arithmetic number, because the mean of its divisors is an integer number (106308636030).

Almost surely, 2^422153134243 is an apocalyptic number.

422153134243 is a deficient number, since it is larger than the sum of its proper divisors (3081409877).

422153134243 is a wasteful number, since it uses less digits than its factorization.

422153134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081409876.

The product of its digits is 69120, while the sum is 34.

Adding to 422153134243 its reverse (342431351224), we get a palindrome (764584485467).

The spelling of 422153134243 in words is "four hundred twenty-two billion, one hundred fifty-three million, one hundred thirty-four thousand, two hundred forty-three".