243452393 has 16 divisors (see below), whose sum is σ = 266872320. Its totient is φ = 221088000.

The previous prime is 243452389. The next prime is 243452411. The reversal of 243452393 is 393254342.

243452393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243452393 - 2² = 243452389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243452333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346943 + ... + 347643.

It is an arithmetic number, because the mean of its divisors is an integer number (16679520).

Almost surely, 2^243452393 is an apocalyptic number.

It is an amenable number.

243452393 is a deficient number, since it is larger than the sum of its proper divisors (23419927).

243452393 is a wasteful number, since it uses less digits than its factorization.

243452393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

The product of its digits is 77760, while the sum is 35.

The square root of 243452393 is about 15602.9610330860. The cubic root of 243452393 is about 624.4121559697.

The spelling of 243452393 in words is "two hundred forty-three million, four hundred fifty-two thousand, three hundred ninety-three".