243400038383 has 2 divisors, whose sum is σ = 243400038384. Its totient is φ = 243400038382.

The previous prime is 243400038379. The next prime is 243400038391. The reversal of 243400038383 is 383830004342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243400038383 - 2² = 243400038379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243400038983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121700019191 + 121700019192.

It is an arithmetic number, because the mean of its divisors is an integer number (121700019192).

Almost surely, 2^243400038383 is an apocalyptic number.

243400038383 is a deficient number, since it is larger than the sum of its proper divisors (1).

243400038383 is an equidigital number, since it uses as much as digits as its factorization.

243400038383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 243400038383 in words is "two hundred forty-three billion, four hundred million, thirty-eight thousand, three hundred eighty-three".