434345243 has 4 divisors (see below), whose sum is σ = 434435400. Its totient is φ = 434255088.

The previous prime is 434345231. The next prime is 434345299. The reversal of 434345243 is 342543434.

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 434345243 - 2¹⁰ = 434344219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434345203) 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, 37418 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (108608850).

Almost surely, 2^434345243 is an apocalyptic number.

434345243 is a deficient number, since it is larger than the sum of its proper divisors (90157).

434345243 is an equidigital number, since it uses as much as digits as its factorization.

434345243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90156.

The product of its digits is 69120, while the sum is 32.

The square root of 434345243 is about 20840.9511059356. The cubic root of 434345243 is about 757.3181345870.

Adding to 434345243 its reverse (342543434), we get a palindrome (776888677).

The spelling of 434345243 in words is "four hundred thirty-four million, three hundred forty-five thousand, two hundred forty-three".