443242221023 has 16 divisors (see below), whose sum is σ = 513931165440. Its totient is φ = 374435338176.

The previous prime is 443242221017. The next prime is 443242221029. The reversal of 443242221023 is 320122242344.

It is an interprime number because it is at equal distance from previous prime (443242221017) and next prime (443242221029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443242221023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443242221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529261 + ... + 1795862.

It is an arithmetic number, because the mean of its divisors is an integer number (32120697840).

Almost surely, 2^443242221023 is an apocalyptic number.

443242221023 is a deficient number, since it is larger than the sum of its proper divisors (70688944417).

443242221023 is a wasteful number, since it uses less digits than its factorization.

443242221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325406.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 443242221023 its reverse (320122242344), we get a palindrome (763364463367).

The spelling of 443242221023 in words is "four hundred forty-three billion, two hundred forty-two million, two hundred twenty-one thousand, twenty-three".