243234252199 has 2 divisors, whose sum is σ = 243234252200. Its totient is φ = 243234252198.

The previous prime is 243234252139. The next prime is 243234252241. The reversal of 243234252199 is 991252432342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243234252199 - 2⁷ = 243234252071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243234252139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121617126099 + 121617126100.

It is an arithmetic number, because the mean of its divisors is an integer number (121617126100).

Almost surely, 2^243234252199 is an apocalyptic number.

243234252199 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234252199 is an equidigital number, since it uses as much as digits as its factorization.

243234252199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The spelling of 243234252199 in words is "two hundred forty-three billion, two hundred thirty-four million, two hundred fifty-two thousand, one hundred ninety-nine".