123368138041 has 2 divisors, whose sum is σ = 123368138042. Its totient is φ = 123368138040.

The previous prime is 123368138011. The next prime is 123368138137. The reversal of 123368138041 is 140831863321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106931616016 + 16436522025 = 327004^2 + 128205^2 .

It is a cyclic number.

It is not a de Polignac number, because 123368138041 - 2⁵ = 123368138009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123368137985 and 123368138003.

It is not a weakly prime, because it can be changed into another prime (123368138011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61684069020 + 61684069021.

It is an arithmetic number, because the mean of its divisors is an integer number (61684069021).

Almost surely, 2^123368138041 is an apocalyptic number.

It is an amenable number.

123368138041 is a deficient number, since it is larger than the sum of its proper divisors (1).

123368138041 is an equidigital number, since it uses as much as digits as its factorization.

123368138041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 123368138041 in words is "one hundred twenty-three billion, three hundred sixty-eight million, one hundred thirty-eight thousand, forty-one".