223505150064181 has 2 divisors, whose sum is σ = 223505150064182. Its totient is φ = 223505150064180.

The previous prime is 223505150064173. The next prime is 223505150064199. The reversal of 223505150064181 is 181460051505322.

223505150064181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209066556029956 + 14438594034225 = 14459134^2 + 3799815^2 .

It is a cyclic number.

It is not a de Polignac number, because 223505150064181 - 2³ = 223505150064173 is a prime.

It is a super-2 number, since 2×223505150064181² (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 (223515150064181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111752575032090 + 111752575032091.

It is an arithmetic number, because the mean of its divisors is an integer number (111752575032091).

Almost surely, 2^{223505150064181} is an apocalyptic number.

It is an amenable number.

223505150064181 is a deficient number, since it is larger than the sum of its proper divisors (1).

223505150064181 is an equidigital number, since it uses as much as digits as its factorization.

223505150064181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 223505150064181 in words is "two hundred twenty-three trillion, five hundred five billion, one hundred fifty million, sixty-four thousand, one hundred eighty-one".