423424033 has 2 divisors, whose sum is σ = 423424034. Its totient is φ = 423424032.

The previous prime is 423424021. The next prime is 423424069. The reversal of 423424033 is 330424324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420578064 + 2845969 = 20508^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 423424033 - 2⁹ = 423423521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423423989 and 423424007.

It is not a weakly prime, because it can be changed into another prime (423424013) 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, 211712016 + 211712017.

It is an arithmetic number, because the mean of its divisors is an integer number (211712017).

Almost surely, 2^423424033 is an apocalyptic number.

It is an amenable number.

423424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

423424033 is an equidigital number, since it uses as much as digits as its factorization.

423424033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 423424033 is about 20577.2698140448. The cubic root of 423424033 is about 750.9168242691.

Adding to 423424033 its reverse (330424324), we get a palindrome (753848357).

The spelling of 423424033 in words is "four hundred twenty-three million, four hundred twenty-four thousand, thirty-three".