137108805472123 has 2 divisors, whose sum is σ = 137108805472124. Its totient is φ = 137108805472122.

The previous prime is 137108805472003. The next prime is 137108805472157. The reversal of 137108805472123 is 321274508801731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137108805472123 - 2⁹ = 137108805471611 is a prime.

It is not a weakly prime, because it can be changed into another prime (137108805472183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68554402736061 + 68554402736062.

It is an arithmetic number, because the mean of its divisors is an integer number (68554402736062).

Almost surely, 2^{137108805472123} is an apocalyptic number.

137108805472123 is a deficient number, since it is larger than the sum of its proper divisors (1).

137108805472123 is an equidigital number, since it uses as much as digits as its factorization.

137108805472123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 137108805472123 in words is "one hundred thirty-seven trillion, one hundred eight billion, eight hundred five million, four hundred seventy-two thousand, one hundred twenty-three".