103042240243 has 2 divisors, whose sum is σ = 103042240244. Its totient is φ = 103042240242.

The previous prime is 103042240151. The next prime is 103042240303. The reversal of 103042240243 is 342042240301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103042240243 - 2¹⁷ = 103042109171 is a prime.

It is a super-2 number, since 2×103042240243² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103042240943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521120121 + 51521120122.

It is an arithmetic number, because the mean of its divisors is an integer number (51521120122).

Almost surely, 2^103042240243 is an apocalyptic number.

103042240243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042240243 is an equidigital number, since it uses as much as digits as its factorization.

103042240243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 103042240243 its reverse (342042240301), we get a palindrome (445084480544).

The spelling of 103042240243 in words is "one hundred three billion, forty-two million, two hundred forty thousand, two hundred forty-three".