203124442243 has 2 divisors, whose sum is σ = 203124442244. Its totient is φ = 203124442242.

The previous prime is 203124442139. The next prime is 203124442273. The reversal of 203124442243 is 342244421302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203124442243 - 2¹⁷ = 203124311171 is a prime.

It is not a weakly prime, because it can be changed into another prime (203124442273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101562221121 + 101562221122.

It is an arithmetic number, because the mean of its divisors is an integer number (101562221122).

Almost surely, 2^203124442243 is an apocalyptic number.

203124442243 is a deficient number, since it is larger than the sum of its proper divisors (1).

203124442243 is an equidigital number, since it uses as much as digits as its factorization.

203124442243 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 31.

Adding to 203124442243 its reverse (342244421302), we get a palindrome (545368863545).

The spelling of 203124442243 in words is "two hundred three billion, one hundred twenty-four million, four hundred forty-two thousand, two hundred forty-three".