243401107 has 2 divisors, whose sum is σ = 243401108. Its totient is φ = 243401106.

The previous prime is 243401071. The next prime is 243401117. The reversal of 243401107 is 701104342.

Together with previous prime (243401071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243401107 - 2⁷ = 243400979 is a prime.

It is not a weakly prime, because it can be changed into another prime (243401117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121700553 + 121700554.

It is an arithmetic number, because the mean of its divisors is an integer number (121700554).

Almost surely, 2^243401107 is an apocalyptic number.

243401107 is a deficient number, since it is larger than the sum of its proper divisors (1).

243401107 is an equidigital number, since it uses as much as digits as its factorization.

243401107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 243401107 is about 15601.3174764185. The cubic root of 243401107 is about 624.3683063962.

Adding to 243401107 its reverse (701104342), we get a palindrome (944505449).

The spelling of 243401107 in words is "two hundred forty-three million, four hundred one thousand, one hundred seven".