42320321443 has 8 divisors (see below), whose sum is σ = 43131045888. Its totient is φ = 41510049984.

The previous prime is 42320321423. The next prime is 42320321467. The reversal of 42320321443 is 34412302324.

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

It is a cyclic number.

It is not a de Polignac number, because 42320321443 - 2⁵ = 42320321411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42320321423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78471 + ... + 301327.

It is an arithmetic number, because the mean of its divisors is an integer number (5391380736).

Almost surely, 2^42320321443 is an apocalyptic number.

42320321443 is a deficient number, since it is larger than the sum of its proper divisors (810724445).

42320321443 is a wasteful number, since it uses less digits than its factorization.

42320321443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226493.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42320321443 its reverse (34412302324), we get a palindrome (76732623767).

The spelling of 42320321443 in words is "forty-two billion, three hundred twenty million, three hundred twenty-one thousand, four hundred forty-three".