423334433 has 2 divisors, whose sum is σ = 423334434. Its totient is φ = 423334432.

The previous prime is 423334423. The next prime is 423334451. The reversal of 423334433 is 334433324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405297424 + 18037009 = 20132^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 423334433 - 2¹² = 423330337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423334396 and 423334405.

It is not a weakly prime, because it can be changed into another prime (423334403) 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, 211667216 + 211667217.

It is an arithmetic number, because the mean of its divisors is an integer number (211667217).

Almost surely, 2^423334433 is an apocalyptic number.

It is an amenable number.

423334433 is a deficient number, since it is larger than the sum of its proper divisors (1).

423334433 is an equidigital number, since it uses as much as digits as its factorization.

423334433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 29.

The square root of 423334433 is about 20575.0925392816. The cubic root of 423334433 is about 750.8638538120.

Adding to 423334433 its reverse (334433324), we get a palindrome (757767757).

The spelling of 423334433 in words is "four hundred twenty-three million, three hundred thirty-four thousand, four hundred thirty-three".