243103223201 has 8 divisors (see below), whose sum is σ = 247378244904. Its totient is φ = 238837547520.

The previous prime is 243103223173. The next prime is 243103223213. The reversal of 243103223201 is 102322301342.

It can be written as a sum of positive squares in 4 ways, for example, as 6470593600 + 236632629601 = 80440^2 + 486449^2 .

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 243103223201 - 2⁶ = 243103223137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243103223801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284016 + ... + 2388081.

It is an arithmetic number, because the mean of its divisors is an integer number (30922280613).

Almost surely, 2^243103223201 is an apocalyptic number.

It is an amenable number.

243103223201 is a deficient number, since it is larger than the sum of its proper divisors (4275021703).

243103223201 is an equidigital number, since it uses as much as digits as its factorization.

243103223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673011.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 243103223201 its reverse (102322301342), we get a palindrome (345425524543).

The spelling of 243103223201 in words is "two hundred forty-three billion, one hundred three million, two hundred twenty-three thousand, two hundred one".