243120883 has 2 divisors, whose sum is σ = 243120884. Its totient is φ = 243120882.

The previous prime is 243120793. The next prime is 243120901. The reversal of 243120883 is 388021342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243120883 is a prime.

It is not a weakly prime, because it can be changed into another prime (243120083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560441 + 121560442.

It is an arithmetic number, because the mean of its divisors is an integer number (121560442).

Almost surely, 2^243120883 is an apocalyptic number.

243120883 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120883 is an equidigital number, since it uses as much as digits as its factorization.

243120883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 243120883 is about 15592.3341100683. The cubic root of 243120883 is about 624.1286058001.

The spelling of 243120883 in words is "two hundred forty-three million, one hundred twenty thousand, eight hundred eighty-three".