243201023441 has 8 divisors (see below), whose sum is σ = 246375201960. Its totient is φ = 240036658048.

The previous prime is 243201023431. The next prime is 243201023449. The reversal of 243201023441 is 144320102342.

It can be written as a sum of positive squares in 4 ways, for example, as 1333783441 + 241867240000 = 36521^2 + 491800^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243201023441 - 2¹⁰ = 243201022417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243201023441.

It is not an unprimeable number, because it can be changed into a prime (243201023449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403386 + ... + 2502531.

It is an arithmetic number, because the mean of its divisors is an integer number (30796900245).

Almost surely, 2^243201023441 is an apocalyptic number.

It is an amenable number.

243201023441 is a deficient number, since it is larger than the sum of its proper divisors (3174178519).

243201023441 is an equidigital number, since it uses as much as digits as its factorization.

243201023441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906563.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243201023441 its reverse (144320102342), we get a palindrome (387521125783).

The spelling of 243201023441 in words is "two hundred forty-three billion, two hundred one million, twenty-three thousand, four hundred forty-one".