443234141 has 4 divisors (see below), whose sum is σ = 506553312. Its totient is φ = 379914972.

The previous prime is 443234119. The next prime is 443234159. The reversal of 443234141 is 141432344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443234141 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 443234141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443234101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31659575 + ... + 31659588.

It is an arithmetic number, because the mean of its divisors is an integer number (126638328).

Almost surely, 2^443234141 is an apocalyptic number.

It is an amenable number.

443234141 is a deficient number, since it is larger than the sum of its proper divisors (63319171).

443234141 is an equidigital number, since it uses as much as digits as its factorization.

443234141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63319170.

The product of its digits is 4608, while the sum is 26.

The square root of 443234141 is about 21053.1266324031. The cubic root of 443234141 is about 762.4494728142.

Adding to 443234141 its reverse (141432344), we get a palindrome (584666485).

The spelling of 443234141 in words is "four hundred forty-three million, two hundred thirty-four thousand, one hundred forty-one".