243204119 has 2 divisors, whose sum is σ = 243204120. Its totient is φ = 243204118.

The previous prime is 243204113. The next prime is 243204151. The reversal of 243204119 is 911402342.

243204119 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 243204119 - 2⁴ = 243204103 is a prime.

It is a super-2 number, since 2×243204119² = 118296486997132322, which contains 22 as substring.

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 (243204113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121602059 + 121602060.

It is an arithmetic number, because the mean of its divisors is an integer number (121602060).

Almost surely, 2^243204119 is an apocalyptic number.

243204119 is a deficient number, since it is larger than the sum of its proper divisors (1).

243204119 is an equidigital number, since it uses as much as digits as its factorization.

243204119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 243204119 is about 15595.0030137862. The cubic root of 243204119 is about 624.1998242004.

The spelling of 243204119 in words is "two hundred forty-three million, two hundred four thousand, one hundred nineteen".