243382823 has 2 divisors, whose sum is σ = 243382824. Its totient is φ = 243382822.

The previous prime is 243382807. The next prime is 243382859. The reversal of 243382823 is 328283342.

243382823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243382823 - 2⁴ = 243382807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243385823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121691411 + 121691412.

It is an arithmetic number, because the mean of its divisors is an integer number (121691412).

Almost surely, 2^243382823 is an apocalyptic number.

243382823 is a deficient number, since it is larger than the sum of its proper divisors (1).

243382823 is an equidigital number, since it uses as much as digits as its factorization.

243382823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The square root of 243382823 is about 15600.7314892604. The cubic root of 243382823 is about 624.3526720713.

The spelling of 243382823 in words is "two hundred forty-three million, three hundred eighty-two thousand, eight hundred twenty-three".