434845123 has 4 divisors (see below), whose sum is σ = 436744240. Its totient is φ = 432946008.

The previous prime is 434845093. The next prime is 434845129. The reversal of 434845123 is 321548434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434845123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434845129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949215 + ... + 949672.

It is an arithmetic number, because the mean of its divisors is an integer number (109186060).

Almost surely, 2^434845123 is an apocalyptic number.

434845123 is a deficient number, since it is larger than the sum of its proper divisors (1899117).

434845123 is a wasteful number, since it uses less digits than its factorization.

434845123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899116.

The product of its digits is 46080, while the sum is 34.

The square root of 434845123 is about 20852.9403921845. The cubic root of 434845123 is about 757.6085510693.

The spelling of 434845123 in words is "four hundred thirty-four million, eight hundred forty-five thousand, one hundred twenty-three".