42320421033 has 8 divisors (see below), whose sum is σ = 61556976096. Its totient is φ = 25648740000.

The previous prime is 42320420999. The next prime is 42320421047. The reversal of 42320421033 is 33012402324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42320421033 - 2⁸ = 42320420777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42320420994 and 42320421012.

It is not an unprimeable number, because it can be changed into a prime (42320421233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641218468 + ... + 641218533.

It is an arithmetic number, because the mean of its divisors is an integer number (7694622012).

Almost surely, 2^42320421033 is an apocalyptic number.

It is an amenable number.

42320421033 is a deficient number, since it is larger than the sum of its proper divisors (19236555063).

42320421033 is a wasteful number, since it uses less digits than its factorization.

42320421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282437015.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42320421033 its reverse (33012402324), we get a palindrome (75332823357).

The spelling of 42320421033 in words is "forty-two billion, three hundred twenty million, four hundred twenty-one thousand, thirty-three".