243120083 has 2 divisors, whose sum is σ = 243120084. Its totient is φ = 243120082.

The previous prime is 243120047. The next prime is 243120089. The reversal of 243120083 is 380021342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243120083 - 2¹² = 243115987 is a prime.

It is not a weakly prime, because it can be changed into another prime (243120089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560041 + 121560042.

It is an arithmetic number, because the mean of its divisors is an integer number (121560042).

Almost surely, 2^243120083 is an apocalyptic number.

243120083 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120083 is an equidigital number, since it uses as much as digits as its factorization.

243120083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 243120083 is about 15592.3084564153. The cubic root of 243120083 is about 624.1279212251.

The spelling of 243120083 in words is "two hundred forty-three million, one hundred twenty thousand, eighty-three".