243121244083 has 2 divisors, whose sum is σ = 243121244084. Its totient is φ = 243121244082.

The previous prime is 243121244071. The next prime is 243121244089. The reversal of 243121244083 is 380442121342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243121244083 - 2⁹ = 243121243571 is a prime.

It is not a weakly prime, because it can be changed into another prime (243121244089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560622041 + 121560622042.

It is an arithmetic number, because the mean of its divisors is an integer number (121560622042).

Almost surely, 2^243121244083 is an apocalyptic number.

243121244083 is a deficient number, since it is larger than the sum of its proper divisors (1).

243121244083 is an equidigital number, since it uses as much as digits as its factorization.

243121244083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 34.

It can be divided in two parts, 243121 and 244083, that added together give a square (487204 = 698²).

The spelling of 243121244083 in words is "two hundred forty-three billion, one hundred twenty-one million, two hundred forty-four thousand, eighty-three".