434340203 has 16 divisors (see below), whose sum is σ = 480660480. Its totient is φ = 389188800.

The previous prime is 434340187. The next prime is 434340217. The reversal of 434340203 is 302043434.

It is a happy number.

It is not a de Polignac number, because 434340203 - 2⁴ = 434340187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434340253) 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, 476318 + ... + 477228.

It is an arithmetic number, because the mean of its divisors is an integer number (30041280).

Almost surely, 2^434340203 is an apocalyptic number.

434340203 is a deficient number, since it is larger than the sum of its proper divisors (46320277).

434340203 is a wasteful number, since it uses less digits than its factorization.

434340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 434340203 is about 20840.8301897981. The cubic root of 434340203 is about 757.3152053517.

Adding to 434340203 its reverse (302043434), we get a palindrome (736383637).

The spelling of 434340203 in words is "four hundred thirty-four million, three hundred forty thousand, two hundred three".