434223543 has 16 divisors (see below), whose sum is σ = 629679456. Its totient is φ = 264566400.

The previous prime is 434223523. The next prime is 434223619. The reversal of 434223543 is 345322434.

It is not a de Polignac number, because 434223543 - 2¹⁸ = 433961399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434223543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434223523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51180 + ... + 59057.

It is an arithmetic number, because the mean of its divisors is an integer number (39354966).

Almost surely, 2^434223543 is an apocalyptic number.

434223543 is a deficient number, since it is larger than the sum of its proper divisors (195455913).

434223543 is a wasteful number, since it uses less digits than its factorization.

434223543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110354.

The product of its digits is 34560, while the sum is 30.

The square root of 434223543 is about 20838.0311689948. The cubic root of 434223543 is about 757.2473965218.

Adding to 434223543 its reverse (345322434), we get a palindrome (779545977).

The spelling of 434223543 in words is "four hundred thirty-four million, two hundred twenty-three thousand, five hundred forty-three".