243383913 has 32 divisors (see below), whose sum is σ = 378026880. Its totient is φ = 154586880.

The previous prime is 243383893. The next prime is 243383927. The reversal of 243383913 is 319383342.

It is not a de Polignac number, because 243383913 - 2¹⁰ = 243382889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243383513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45045 + ... + 50157.

It is an arithmetic number, because the mean of its divisors is an integer number (11813340).

Almost surely, 2^243383913 is an apocalyptic number.

It is an amenable number.

243383913 is a deficient number, since it is larger than the sum of its proper divisors (134642967).

243383913 is a wasteful number, since it uses less digits than its factorization.

243383913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206 (or 5200 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 243383913 is about 15600.7664234806. The cubic root of 243383913 is about 624.3536041329.

The spelling of 243383913 in words is "two hundred forty-three million, three hundred eighty-three thousand, nine hundred thirteen".