243200143000201 has 4 divisors (see below), whose sum is σ = 243200486120004. Its totient is φ = 243199799880400.

The previous prime is 243200143000159. The next prime is 243200143000231. The reversal of 243200143000201 is 102000341002342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71276228375625 + 171923914624576 = 8442525^2 + 13111976^2 .

It is a cyclic number.

It is not a de Polignac number, because 243200143000201 - 2³³ = 243191553065609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243200143000231) 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, 170494510 + ... + 171915031.

It is an arithmetic number, because the mean of its divisors is an integer number (60800121530001).

Almost surely, 2^{243200143000201} is an apocalyptic number.

It is an amenable number.

243200143000201 is a deficient number, since it is larger than the sum of its proper divisors (343119803).

243200143000201 is an equidigital number, since it uses as much as digits as its factorization.

243200143000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343119802.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 243200143000201 its reverse (102000341002342), we get a palindrome (345200484002543).

The spelling of 243200143000201 in words is "two hundred forty-three trillion, two hundred billion, one hundred forty-three million, two hundred one", and thus it is an aban number.