422323143443 has 4 divisors (see below), whose sum is σ = 422503702920. Its totient is φ = 422142583968.

The previous prime is 422323143439. The next prime is 422323143461. The reversal of 422323143443 is 344341323224.

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 422323143443 - 2² = 422323143439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422323143413) 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, 90276230 + ... + 90280907.

It is an arithmetic number, because the mean of its divisors is an integer number (105625925730).

Almost surely, 2^422323143443 is an apocalyptic number.

422323143443 is a deficient number, since it is larger than the sum of its proper divisors (180559477).

422323143443 is a wasteful number, since it uses less digits than its factorization.

422323143443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180559476.

The product of its digits is 165888, while the sum is 35.

Adding to 422323143443 its reverse (344341323224), we get a palindrome (766664466667).

The spelling of 422323143443 in words is "four hundred twenty-two billion, three hundred twenty-three million, one hundred forty-three thousand, four hundred forty-three".