434311243 has 4 divisors (see below), whose sum is σ = 437626728. Its totient is φ = 430995760.

The previous prime is 434311169. The next prime is 434311247. The reversal of 434311243 is 342113434.

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 434311243 - 2¹⁷ = 434180171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434311247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657546 + ... + 1657807.

It is an arithmetic number, because the mean of its divisors is an integer number (109406682).

Almost surely, 2^434311243 is an apocalyptic number.

434311243 is a deficient number, since it is larger than the sum of its proper divisors (3315485).

434311243 is a wasteful number, since it uses less digits than its factorization.

434311243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315484.

The product of its digits is 3456, while the sum is 25.

The square root of 434311243 is about 20840.1353882358. The cubic root of 434311243 is about 757.2983734339.

Adding to 434311243 its reverse (342113434), we get a palindrome (776424677).

The spelling of 434311243 in words is "four hundred thirty-four million, three hundred eleven thousand, two hundred forty-three".