243310142983 has 2 divisors, whose sum is σ = 243310142984. Its totient is φ = 243310142982.

The previous prime is 243310142963. The next prime is 243310143031. The reversal of 243310142983 is 389241013342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243310142983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243310142953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121655071491 + 121655071492.

It is an arithmetic number, because the mean of its divisors is an integer number (121655071492).

Almost surely, 2^243310142983 is an apocalyptic number.

243310142983 is a deficient number, since it is larger than the sum of its proper divisors (1).

243310142983 is an equidigital number, since it uses as much as digits as its factorization.

243310142983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 243310142983 in words is "two hundred forty-three billion, three hundred ten million, one hundred forty-two thousand, nine hundred eighty-three".