201041232523643 has 4 divisors (see below), whose sum is σ = 201057602638728. Its totient is φ = 201024862408560.

The previous prime is 201041232523567. The next prime is 201041232523739. The reversal of 201041232523643 is 346325232140102.

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 201041232523643 - 2⁸ = 201041232523387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201041232523597 and 201041232523606.

It is not an unprimeable number, because it can be changed into a prime (201041232523343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8185039121 + ... + 8185063682.

It is an arithmetic number, because the mean of its divisors is an integer number (50264400659682).

Almost surely, 2^{201041232523643} is an apocalyptic number.

201041232523643 is a deficient number, since it is larger than the sum of its proper divisors (16370115085).

201041232523643 is a wasteful number, since it uses less digits than its factorization.

201041232523643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370115084.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 201041232523643 its reverse (346325232140102), we get a palindrome (547366464663745).

The spelling of 201041232523643 in words is "two hundred one trillion, forty-one billion, two hundred thirty-two million, five hundred twenty-three thousand, six hundred forty-three".