173341423143557 has 2 divisors, whose sum is σ = 173341423143558. Its totient is φ = 173341423143556.

The previous prime is 173341423143487. The next prime is 173341423143563. The reversal of 173341423143557 is 755341324143371.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113008827174721 + 60332595968836 = 10630561^2 + 7767406^2 .

It is a cyclic number.

It is not a de Polignac number, because 173341423143557 - 2²² = 173341418949253 is a prime.

It is a super-2 number, since 2×173341423143557² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 173341423143499 and 173341423143508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173341423143257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86670711571778 + 86670711571779.

It is an arithmetic number, because the mean of its divisors is an integer number (86670711571779).

Almost surely, 2^{173341423143557} is an apocalyptic number.

It is an amenable number.

173341423143557 is a deficient number, since it is larger than the sum of its proper divisors (1).

173341423143557 is an equidigital number, since it uses as much as digits as its factorization.

173341423143557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 53.

The spelling of 173341423143557 in words is "one hundred seventy-three trillion, three hundred forty-one billion, four hundred twenty-three million, one hundred forty-three thousand, five hundred fifty-seven".