223161260173 has 2 divisors, whose sum is σ = 223161260174. Its totient is φ = 223161260172.

The previous prime is 223161260111. The next prime is 223161260183. The reversal of 223161260173 is 371062161322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187577342404 + 35583917769 = 433102^2 + 188637^2 .

It is a cyclic number.

It is not a de Polignac number, because 223161260173 - 2²¹ = 223159163021 is a prime.

It is a super-3 number, since 3×223161260173³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223161260183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111580630086 + 111580630087.

It is an arithmetic number, because the mean of its divisors is an integer number (111580630087).

Almost surely, 2^223161260173 is an apocalyptic number.

It is an amenable number.

223161260173 is a deficient number, since it is larger than the sum of its proper divisors (1).

223161260173 is an equidigital number, since it uses as much as digits as its factorization.

223161260173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 223161260173 in words is "two hundred twenty-three billion, one hundred sixty-one million, two hundred sixty thousand, one hundred seventy-three".