1123424340043 has 2 divisors, whose sum is σ = 1123424340044. Its totient is φ = 1123424340042.

The previous prime is 1123424340023. The next prime is 1123424340061. The reversal of 1123424340043 is 3400434243211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3400434243211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123424340043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123424339987 and 1123424340014.

It is not a weakly prime, because it can be changed into another prime (1123424340013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561712170021 + 561712170022.

It is an arithmetic number, because the mean of its divisors is an integer number (561712170022).

Almost surely, 2^{1123424340043} is an apocalyptic number.

1123424340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123424340043 is an equidigital number, since it uses as much as digits as its factorization.

1123424340043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1123424340043 its reverse (3400434243211), we get a palindrome (4523858583254).

The spelling of 1123424340043 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-four million, three hundred forty thousand, forty-three".