243394101 has 12 divisors (see below), whose sum is σ = 352291680. Its totient is φ = 161929320.

The previous prime is 243394093. The next prime is 243394111. The reversal of 243394101 is 101493342.

243394101 is a `hidden beast` number, since 243 + 3 + 9 + 410 + 1 = 666.

243394101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243394101 - 2³ = 243394093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243394111) 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, 23121 + ... + 31958.

It is an arithmetic number, because the mean of its divisors is an integer number (29357640).

Almost surely, 2^243394101 is an apocalyptic number.

It is an amenable number.

243394101 is a deficient number, since it is larger than the sum of its proper divisors (108897579).

243394101 is a wasteful number, since it uses less digits than its factorization.

243394101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55576 (or 55573 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 243394101 is about 15601.0929424832. The cubic root of 243394101 is about 624.3623157821.

The spelling of 243394101 in words is "two hundred forty-three million, three hundred ninety-four thousand, one hundred one".