423321331433 has 64 divisors (see below), whose sum is σ = 582024683520. Its totient is φ = 297209606400.

The previous prime is 423321331421. The next prime is 423321331469. The reversal of 423321331433 is 334133123324.

It is not a de Polignac number, because 423321331433 - 2⁶ = 423321331369 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423321331433.

It is not an unprimeable number, because it can be changed into a prime (423321331333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17818943 + ... + 17842683.

It is an arithmetic number, because the mean of its divisors is an integer number (9094135680).

Almost surely, 2^423321331433 is an apocalyptic number.

It is an amenable number.

423321331433 is a deficient number, since it is larger than the sum of its proper divisors (158703352087).

423321331433 is a wasteful number, since it uses less digits than its factorization.

423321331433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24198.

The product of its digits is 46656, while the sum is 32.

Adding to 423321331433 its reverse (334133123324), we get a palindrome (757454454757).

The spelling of 423321331433 in words is "four hundred twenty-three billion, three hundred twenty-one million, three hundred thirty-one thousand, four hundred thirty-three".