434123 has 4 divisors (see below), whose sum is σ = 442368. Its totient is φ = 425880.

The previous prime is 434117. The next prime is 434141. The reversal of 434123 is 321434.

434123 is nontrivially palindromic in base 2.

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 434123 - 2⁴ = 434107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434113) 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, 4043 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (110592).

2⁴³⁴¹²³ is an apocalyptic number.

434123 is a deficient number, since it is larger than the sum of its proper divisors (8245).

434123 is an equidigital number, since it uses as much as digits as its factorization.

434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244.

The product of its digits is 288, while the sum is 17.

The square root of 434123 is about 658.8801104905. The cubic root of 434123 is about 75.7188945981.

Adding to 434123 its reverse (321434), we get a palindrome (755557).

The spelling of 434123 in words is "four hundred thirty-four thousand, one hundred twenty-three".