243361623303 has 6 divisors (see below), whose sum is σ = 351522344784. Its totient is φ = 162241082196.

The previous prime is 243361623301. The next prime is 243361623311. The reversal of 243361623303 is 303326163342.

243361623303 is a `hidden beast` number, since 2 + 4 + 3 + 3 + 616 + 2 + 3 + 30 + 3 = 666.

It is not a de Polignac number, because 243361623303 - 2¹ = 243361623301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243361623301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13520090175 + ... + 13520090192.

It is an arithmetic number, because the mean of its divisors is an integer number (58587057464).

Almost surely, 2^243361623303 is an apocalyptic number.

243361623303 is a deficient number, since it is larger than the sum of its proper divisors (108160721481).

243361623303 is a wasteful number, since it uses less digits than its factorization.

243361623303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27040180373 (or 27040180370 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

Adding to 243361623303 its reverse (303326163342), we get a palindrome (546687786645).

The spelling of 243361623303 in words is "two hundred forty-three billion, three hundred sixty-one million, six hundred twenty-three thousand, three hundred three".