136423415688173 has 2 divisors, whose sum is σ = 136423415688174. Its totient is φ = 136423415688172.

The previous prime is 136423415688103. The next prime is 136423415688181. The reversal of 136423415688173 is 371886514324631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136361156954884 + 62258733289 = 11677378^2 + 249517^2 .

It is a cyclic number.

It is not a de Polignac number, because 136423415688173 - 2¹² = 136423415684077 is a prime.

It is a super-2 number, since 2×136423415688173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136423415688103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68211707844086 + 68211707844087.

It is an arithmetic number, because the mean of its divisors is an integer number (68211707844087).

Almost surely, 2^{136423415688173} is an apocalyptic number.

It is an amenable number.

136423415688173 is a deficient number, since it is larger than the sum of its proper divisors (1).

136423415688173 is an equidigital number, since it uses as much as digits as its factorization.

136423415688173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 62.

The spelling of 136423415688173 in words is "one hundred thirty-six trillion, four hundred twenty-three billion, four hundred fifteen million, six hundred eighty-eight thousand, one hundred seventy-three".