422403543 has 6 divisors (see below), whose sum is σ = 610138464. Its totient is φ = 281602356.

The previous prime is 422403503. The next prime is 422403557. The reversal of 422403543 is 345304224.

It is not a de Polignac number, because 422403543 - 2¹⁴ = 422387159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422403503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23466855 + ... + 23466872.

It is an arithmetic number, because the mean of its divisors is an integer number (101689744).

Almost surely, 2^422403543 is an apocalyptic number.

422403543 is a deficient number, since it is larger than the sum of its proper divisors (187734921).

422403543 is a wasteful number, since it uses less digits than its factorization.

422403543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46933733 (or 46933730 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 422403543 is about 20552.4583201134. The cubic root of 422403543 is about 750.3130799564.

Adding to 422403543 its reverse (345304224), we get a palindrome (767707767).

The spelling of 422403543 in words is "four hundred twenty-two million, four hundred three thousand, five hundred forty-three".