434421223 has 4 divisors (see below), whose sum is σ = 435967488. Its totient is φ = 432874960.

The previous prime is 434421167. The next prime is 434421227. The reversal of 434421223 is 322124434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322124434 = 2 ⋅161062217.

It is a cyclic number.

It is not a de Polignac number, because 434421223 - 2²¹ = 432324071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434421227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772711 + ... + 773272.

It is an arithmetic number, because the mean of its divisors is an integer number (108991872).

Almost surely, 2^434421223 is an apocalyptic number.

434421223 is a deficient number, since it is larger than the sum of its proper divisors (1546265).

434421223 is a wasteful number, since it uses less digits than its factorization.

434421223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546264.

The product of its digits is 4608, while the sum is 25.

The square root of 434421223 is about 20842.7738796927. The cubic root of 434421223 is about 757.3622912249.

Adding to 434421223 its reverse (322124434), we get a palindrome (756545657).

The spelling of 434421223 in words is "four hundred thirty-four million, four hundred twenty-one thousand, two hundred twenty-three".