243055230419 has 2 divisors, whose sum is σ = 243055230420. Its totient is φ = 243055230418.

The previous prime is 243055230359. The next prime is 243055230421. The reversal of 243055230419 is 914032550342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243055230419 - 2⁸ = 243055230163 is a prime.

It is a super-2 number, since 2×243055230419² (a number of 24 digits) contains 22 as substring.

Together with 243055230421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243055230499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121527615209 + 121527615210.

It is an arithmetic number, because the mean of its divisors is an integer number (121527615210).

Almost surely, 2^243055230419 is an apocalyptic number.

243055230419 is a deficient number, since it is larger than the sum of its proper divisors (1).

243055230419 is an equidigital number, since it uses as much as digits as its factorization.

243055230419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 243055230419 in words is "two hundred forty-three billion, fifty-five million, two hundred thirty thousand, four hundred nineteen".