423134441 has 2 divisors, whose sum is σ = 423134442. Its totient is φ = 423134440.

The previous prime is 423134431. The next prime is 423134449. The reversal of 423134441 is 144431324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293265625 + 129868816 = 17125^2 + 11396^2 .

It is a cyclic number.

It is not a de Polignac number, because 423134441 - 2⁶ = 423134377 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423134441.

It is not a weakly prime, because it can be changed into another prime (423134449) 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 as a sum of consecutive naturals, namely, 211567220 + 211567221.

It is an arithmetic number, because the mean of its divisors is an integer number (211567221).

Almost surely, 2^423134441 is an apocalyptic number.

It is an amenable number.

423134441 is a deficient number, since it is larger than the sum of its proper divisors (1).

423134441 is an equidigital number, since it uses as much as digits as its factorization.

423134441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

The square root of 423134441 is about 20570.2319141034. The cubic root of 423134441 is about 750.7455939480.

Adding to 423134441 its reverse (144431324), we get a palindrome (567565765).

The spelling of 423134441 in words is "four hundred twenty-three million, one hundred thirty-four thousand, four hundred forty-one".