434423431 has 8 divisors (see below), whose sum is σ = 475770960. Its totient is φ = 394208832.

The previous prime is 434423417. The next prime is 434423459. The reversal of 434423431 is 134324434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 434423431 - 2¹³ = 434415239 is a prime.

It is a super-2 number, since 2×434423431² = 377447434803623522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434423431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434433431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282430 + ... + 283963.

It is an arithmetic number, because the mean of its divisors is an integer number (59471370).

Almost surely, 2^434423431 is an apocalyptic number.

434423431 is a deficient number, since it is larger than the sum of its proper divisors (41347529).

434423431 is a wasteful number, since it uses less digits than its factorization.

434423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566465.

The product of its digits is 13824, while the sum is 28.

The square root of 434423431 is about 20842.8268476231. The cubic root of 434423431 is about 757.3635743522.

Adding to 434423431 its reverse (134324434), we get a palindrome (568747865).

The spelling of 434423431 in words is "four hundred thirty-four million, four hundred twenty-three thousand, four hundred thirty-one".