423134401 has 2 divisors, whose sum is σ = 423134402. Its totient is φ = 423134400.

The previous prime is 423134377. The next prime is 423134419. The reversal of 423134401 is 104431324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363474225 + 59660176 = 19065^2 + 7724^2 .

It is a cyclic number.

It is not a de Polignac number, because 423134401 - 2²⁵ = 389579969 is a prime.

It is not a weakly prime, because it can be changed into another prime (423134431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211567200 + 211567201.

It is an arithmetic number, because the mean of its divisors is an integer number (211567201).

Almost surely, 2^423134401 is an apocalyptic number.

It is an amenable number.

423134401 is a deficient number, since it is larger than the sum of its proper divisors (1).

423134401 is an equidigital number, since it uses as much as digits as its factorization.

423134401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 423134401 is about 20570.2309418246. The cubic root of 423134401 is about 750.7455702914.

Adding to 423134401 its reverse (104431324), we get a palindrome (527565725).

The spelling of 423134401 in words is "four hundred twenty-three million, one hundred thirty-four thousand, four hundred one".