243232320103 has 2 divisors, whose sum is σ = 243232320104. Its totient is φ = 243232320102.

The previous prime is 243232320101. The next prime is 243232320131. The reversal of 243232320103 is 301023232342.

243232320103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243232320103 - 2¹ = 243232320101 is a prime.

Together with 243232320101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243232320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121616160051 + 121616160052.

It is an arithmetic number, because the mean of its divisors is an integer number (121616160052).

Almost surely, 2^243232320103 is an apocalyptic number.

243232320103 is a deficient number, since it is larger than the sum of its proper divisors (1).

243232320103 is an equidigital number, since it uses as much as digits as its factorization.

243232320103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 243232320103 its reverse (301023232342), we get a palindrome (544255552445).

The spelling of 243232320103 in words is "two hundred forty-three billion, two hundred thirty-two million, three hundred twenty thousand, one hundred three".