433123320021 has 24 divisors (see below), whose sum is σ = 681244858944. Its totient is φ = 244013132160.

The previous prime is 433123319963. The next prime is 433123320053. The reversal of 433123320021 is 120023321334.

It is not a de Polignac number, because 433123320021 - 2¹⁰ = 433123318997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 433123319973 and 433123320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433123320121) 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 23 ways as a sum of consecutive naturals, for example, 20738980 + ... + 20759853.

It is an arithmetic number, because the mean of its divisors is an integer number (28385202456).

Almost surely, 2^433123320021 is an apocalyptic number.

It is an amenable number.

433123320021 is a deficient number, since it is larger than the sum of its proper divisors (248121538923).

433123320021 is a wasteful number, since it uses less digits than its factorization.

433123320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41498921 (or 41498914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 433123320021 its reverse (120023321334), we get a palindrome (553146641355).

The spelling of 433123320021 in words is "four hundred thirty-three billion, one hundred twenty-three million, three hundred twenty thousand, twenty-one".