243404323101 has 12 divisors (see below), whose sum is σ = 353250300000. Its totient is φ = 161500497480.

The previous prime is 243404323091. The next prime is 243404323117. The reversal of 243404323101 is 101323404342.

243404323101 is a `hidden beast` number, since 2 + 4 + 340 + 4 + 3 + 2 + 310 + 1 = 666.

It is not a de Polignac number, because 243404323101 - 2³³ = 234814388509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243404323121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64085601 + ... + 64089398.

It is an arithmetic number, because the mean of its divisors is an integer number (29437525000).

Almost surely, 2^243404323101 is an apocalyptic number.

It is an amenable number.

243404323101 is a deficient number, since it is larger than the sum of its proper divisors (109845976899).

243404323101 is a wasteful number, since it uses less digits than its factorization.

243404323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128175216 (or 128175213 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243404323101 its reverse (101323404342), we get a palindrome (344727727443).

The spelling of 243404323101 in words is "two hundred forty-three billion, four hundred four million, three hundred twenty-three thousand, one hundred one".