243304124101 has 2 divisors, whose sum is σ = 243304124102. Its totient is φ = 243304124100.

The previous prime is 243304124099. The next prime is 243304124131. The reversal of 243304124101 is 101421403342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243294576001 + 9548100 = 493249^2 + 3090^2 .

It is a cyclic number.

It is not a de Polignac number, because 243304124101 - 2¹ = 243304124099 is a prime.

Together with 243304124099, 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 (243304124131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121652062050 + 121652062051.

It is an arithmetic number, because the mean of its divisors is an integer number (121652062051).

Almost surely, 2^243304124101 is an apocalyptic number.

It is an amenable number.

243304124101 is a deficient number, since it is larger than the sum of its proper divisors (1).

243304124101 is an equidigital number, since it uses as much as digits as its factorization.

243304124101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243304124101 its reverse (101421403342), we get a palindrome (344725527443).

The spelling of 243304124101 in words is "two hundred forty-three billion, three hundred four million, one hundred twenty-four thousand, one hundred one".