423321033 has 16 divisors (see below), whose sum is σ = 599676480. Its totient is φ = 265116096.

The previous prime is 423321001. The next prime is 423321037. The reversal of 423321033 is 330123324.

It is not a de Polignac number, because 423321033 - 2⁵ = 423321001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423321037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62535 + ... + 68972.

It is an arithmetic number, because the mean of its divisors is an integer number (37479780).

Almost surely, 2^423321033 is an apocalyptic number.

It is an amenable number.

423321033 is a deficient number, since it is larger than the sum of its proper divisors (176355447).

423321033 is a wasteful number, since it uses less digits than its factorization.

423321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131576.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 423321033 is about 20574.7669002592. The cubic root of 423321033 is about 750.8559312484.

Adding to 423321033 its reverse (330123324), we get a palindrome (753444357).

It can be divided in two parts, 42332 and 1033, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 423321033 in words is "four hundred twenty-three million, three hundred twenty-one thousand, thirty-three".