201043330443 has 24 divisors (see below), whose sum is σ = 297400896000. Its totient is φ = 130811713584.

The previous prime is 201043330429. The next prime is 201043330507. The reversal of 201043330443 is 344033340102.

It is not a de Polignac number, because 201043330443 - 2⁶ = 201043330379 is a prime.

It is a super-2 number, since 2×201043330443² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201043330343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510093 + ... + 813806.

It is an arithmetic number, because the mean of its divisors is an integer number (12391704000).

Almost surely, 2^201043330443 is an apocalyptic number.

201043330443 is a deficient number, since it is larger than the sum of its proper divisors (96357565557).

201043330443 is a wasteful number, since it uses less digits than its factorization.

201043330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324311 (or 1324308 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 201043330443 its reverse (344033340102), we get a palindrome (545076670545).

The spelling of 201043330443 in words is "two hundred one billion, forty-three million, three hundred thirty thousand, four hundred forty-three".