434142223 has 2 divisors, whose sum is σ = 434142224. Its totient is φ = 434142222.

The previous prime is 434142217. The next prime is 434142281. The reversal of 434142223 is 322241434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434142223 - 2²⁵ = 400587791 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434142323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217071111 + 217071112.

It is an arithmetic number, because the mean of its divisors is an integer number (217071112).

Almost surely, 2^434142223 is an apocalyptic number.

434142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

434142223 is an equidigital number, since it uses as much as digits as its factorization.

434142223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 434142223 is about 20836.0798376278. The cubic root of 434142223 is about 757.2001219449.

Adding to 434142223 its reverse (322241434), we get a palindrome (756383657).

It can be divided in two parts, 4341 and 42223, that added together give a palindrome (46564).

The spelling of 434142223 in words is "four hundred thirty-four million, one hundred forty-two thousand, two hundred twenty-three".