201322434443 has 4 divisors (see below), whose sum is σ = 216808775568. Its totient is φ = 185836093320.

The previous prime is 201322434373. The next prime is 201322434451. The reversal of 201322434443 is 344434223102.

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

It is a cyclic number.

It is not a de Polignac number, because 201322434443 - 2²⁴ = 201305657227 is a prime.

It is a super-2 number, since 2×201322434443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201322434463) 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, 7743170543 + ... + 7743170568.

It is an arithmetic number, because the mean of its divisors is an integer number (54202193892).

Almost surely, 2^201322434443 is an apocalyptic number.

201322434443 is a deficient number, since it is larger than the sum of its proper divisors (15486341125).

201322434443 is a wasteful number, since it uses less digits than its factorization.

201322434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15486341124.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 201322434443 its reverse (344434223102), we get a palindrome (545756657545).

The spelling of 201322434443 in words is "two hundred one billion, three hundred twenty-two million, four hundred thirty-four thousand, four hundred forty-three".