243422401199 has 2 divisors, whose sum is σ = 243422401200. Its totient is φ = 243422401198.

The previous prime is 243422401097. The next prime is 243422401231. The reversal of 243422401199 is 991104224342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243422401199 - 2³⁶ = 174702924463 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 (243422401499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121711200599 + 121711200600.

It is an arithmetic number, because the mean of its divisors is an integer number (121711200600).

Almost surely, 2^243422401199 is an apocalyptic number.

243422401199 is a deficient number, since it is larger than the sum of its proper divisors (1).

243422401199 is an equidigital number, since it uses as much as digits as its factorization.

243422401199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 243422401199 in words is "two hundred forty-three billion, four hundred twenty-two million, four hundred one thousand, one hundred ninety-nine".