434223893 has 4 divisors (see below), whose sum is σ = 441583680. Its totient is φ = 426864108.

The previous prime is 434223841. The next prime is 434223899. The reversal of 434223893 is 398322434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398322434 = 2 ⋅199161217.

It is a cyclic number.

It is not a de Polignac number, because 434223893 - 2¹⁴ = 434207509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434223899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3679805 + ... + 3679922.

It is an arithmetic number, because the mean of its divisors is an integer number (110395920).

Almost surely, 2^434223893 is an apocalyptic number.

It is an amenable number.

434223893 is a deficient number, since it is larger than the sum of its proper divisors (7359787).

434223893 is an equidigital number, since it uses as much as digits as its factorization.

434223893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7359786.

The product of its digits is 124416, while the sum is 38.

The square root of 434223893 is about 20838.0395670994. The cubic root of 434223893 is about 757.2475999780.

The spelling of 434223893 in words is "four hundred thirty-four million, two hundred twenty-three thousand, eight hundred ninety-three".