201044434243 has 4 divisors (see below), whose sum is σ = 201085310160. Its totient is φ = 201003558328.

The previous prime is 201044434229. The next prime is 201044434249. The reversal of 201044434243 is 342434440102.

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 201044434243 - 2²¹ = 201042337091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044434249) 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, 20430580 + ... + 20440417.

It is an arithmetic number, because the mean of its divisors is an integer number (50271327540).

Almost surely, 2^201044434243 is an apocalyptic number.

201044434243 is a deficient number, since it is larger than the sum of its proper divisors (40875917).

201044434243 is an equidigital number, since it uses as much as digits as its factorization.

201044434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875916.

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

Adding to 201044434243 its reverse (342434440102), we get a palindrome (543478874345).

The spelling of 201044434243 in words is "two hundred one billion, forty-four million, four hundred thirty-four thousand, two hundred forty-three".