243401201227 has 2 divisors, whose sum is σ = 243401201228. Its totient is φ = 243401201226.

The previous prime is 243401201171. The next prime is 243401201237. The reversal of 243401201227 is 722102104342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243401201227 - 2¹¹ = 243401199179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243401201195 and 243401201204.

It is not a weakly prime, because it can be changed into another prime (243401201237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121700600613 + 121700600614.

It is an arithmetic number, because the mean of its divisors is an integer number (121700600614).

Almost surely, 2^243401201227 is an apocalyptic number.

243401201227 is a deficient number, since it is larger than the sum of its proper divisors (1).

243401201227 is an equidigital number, since it uses as much as digits as its factorization.

243401201227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 243401201227 its reverse (722102104342), we get a palindrome (965503305569).

The spelling of 243401201227 in words is "two hundred forty-three billion, four hundred one million, two hundred one thousand, two hundred twenty-seven".