123340041043 has 2 divisors, whose sum is σ = 123340041044. Its totient is φ = 123340041042.

The previous prime is 123340041023. The next prime is 123340041073. The reversal of 123340041043 is 340140043321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123340041043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123340040999 and 123340041017.

It is not a weakly prime, because it can be changed into another prime (123340041023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61670020521 + 61670020522.

It is an arithmetic number, because the mean of its divisors is an integer number (61670020522).

Almost surely, 2^123340041043 is an apocalyptic number.

123340041043 is a deficient number, since it is larger than the sum of its proper divisors (1).

123340041043 is an equidigital number, since it uses as much as digits as its factorization.

123340041043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123340041043 its reverse (340140043321), we get a palindrome (463480084364).

The spelling of 123340041043 in words is "one hundred twenty-three billion, three hundred forty million, forty-one thousand, forty-three".