103240042043 has 2 divisors, whose sum is σ = 103240042044. Its totient is φ = 103240042042.

The previous prime is 103240041977. The next prime is 103240042049. The reversal of 103240042043 is 340240042301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103240042043 - 2¹² = 103240037947 is a prime.

It is a super-2 number, since 2×103240042043² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (103240042049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51620021021 + 51620021022.

It is an arithmetic number, because the mean of its divisors is an integer number (51620021022).

Almost surely, 2^103240042043 is an apocalyptic number.

103240042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

103240042043 is an equidigital number, since it uses as much as digits as its factorization.

103240042043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 103240042043 its reverse (340240042301), we get a palindrome (443480084344).

The spelling of 103240042043 in words is "one hundred three billion, two hundred forty million, forty-two thousand, forty-three".