421132423035443 has 8 divisors (see below), whose sum is σ = 481294945241088. Its totient is φ = 360970087701384.

The previous prime is 421132423035431. The next prime is 421132423035479. The reversal of 421132423035443 is 344530324231124.

It is a happy number.

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

It is not a de Polignac number, because 421132423035443 - 2¹⁸ = 421132422773299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421132423035443.

It is not an unprimeable number, because it can be changed into a prime (421132423035043) 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, 41855021 + ... + 50932382.

It is an arithmetic number, because the mean of its divisors is an integer number (60161868155136).

Almost surely, 2^{421132423035443} is an apocalyptic number.

421132423035443 is a deficient number, since it is larger than the sum of its proper divisors (60162522205645).

421132423035443 is an equidigital number, since it uses as much as digits as its factorization.

421132423035443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93435793.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 421132423035443 its reverse (344530324231124), we get a palindrome (765662747266567).

The spelling of 421132423035443 in words is "four hundred twenty-one trillion, one hundred thirty-two billion, four hundred twenty-three million, thirty-five thousand, four hundred forty-three".