243239483 has 2 divisors, whose sum is σ = 243239484. Its totient is φ = 243239482.

The previous prime is 243239473. The next prime is 243239497. The reversal of 243239483 is 384932342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243239483 - 2¹⁶ = 243173947 is a prime.

It is not a weakly prime, because it can be changed into another prime (243239473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121619741 + 121619742.

It is an arithmetic number, because the mean of its divisors is an integer number (121619742).

Almost surely, 2^243239483 is an apocalyptic number.

243239483 is a deficient number, since it is larger than the sum of its proper divisors (1).

243239483 is an equidigital number, since it uses as much as digits as its factorization.

243239483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The square root of 243239483 is about 15596.1367972970. The cubic root of 243239483 is about 624.2300774336.

The spelling of 243239483 in words is "two hundred forty-three million, two hundred thirty-nine thousand, four hundred eighty-three".