20323433212433 has 12 divisors (see below), whose sum is σ = 22007237354460. Its totient is φ = 18759916483776.

The previous prime is 20323433212427. The next prime is 20323433212451. The reversal of 20323433212433 is 33421233432302.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8100808900864 + 12222624311569 = 2846192^2 + 3496087^2 .

It is not a de Polignac number, because 20323433212433 - 2⁸ = 20323433212177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20323433212393 and 20323433212402.

It is not an unprimeable number, because it can be changed into a prime (20323433215433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19680035 + ... + 20686967.

It is an arithmetic number, because the mean of its divisors is an integer number (1833936446205).

Almost surely, 2^{20323433212433} is an apocalyptic number.

It is an amenable number.

20323433212433 is a deficient number, since it is larger than the sum of its proper divisors (1683804142027).

20323433212433 is a wasteful number, since it uses less digits than its factorization.

20323433212433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126388 (or 1126375 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 20323433212433 its reverse (33421233432302), we get a palindrome (53744666644735).

The spelling of 20323433212433 in words is "twenty trillion, three hundred twenty-three billion, four hundred thirty-three million, two hundred twelve thousand, four hundred thirty-three".