443144020243 has 4 divisors (see below), whose sum is σ = 443166826960. Its totient is φ = 443121213528.

The previous prime is 443144020103. The next prime is 443144020259. The reversal of 443144020243 is 342020441344.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443144020243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443144023243) 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, 11374188 + ... + 11413081.

It is an arithmetic number, because the mean of its divisors is an integer number (110791706740).

Almost surely, 2^443144020243 is an apocalyptic number.

443144020243 is a deficient number, since it is larger than the sum of its proper divisors (22806717).

443144020243 is a wasteful number, since it uses less digits than its factorization.

443144020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22806716.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 443144020243 its reverse (342020441344), we get a palindrome (785164461587).

The spelling of 443144020243 in words is "four hundred forty-three billion, one hundred forty-four million, twenty thousand, two hundred forty-three".