223643889472841 has 2 divisors, whose sum is σ = 223643889472842. Its totient is φ = 223643889472840.

The previous prime is 223643889472837. The next prime is 223643889472877. The reversal of 223643889472841 is 148274988346322.

223643889472841 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., 164295894297616 + 59347995175225 = 12817796^2 + 7703765^2 .

It is a cyclic number.

It is not a de Polignac number, because 223643889472841 - 2² = 223643889472837 is a prime.

It is a super-2 number, since 2×223643889472841² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223643889172841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111821944736420 + 111821944736421.

It is an arithmetic number, because the mean of its divisors is an integer number (111821944736421).

Almost surely, 2^{223643889472841} is an apocalyptic number.

It is an amenable number.

223643889472841 is a deficient number, since it is larger than the sum of its proper divisors (1).

223643889472841 is an equidigital number, since it uses as much as digits as its factorization.

223643889472841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 891813888, while the sum is 71.

The spelling of 223643889472841 in words is "two hundred twenty-three trillion, six hundred forty-three billion, eight hundred eighty-nine million, four hundred seventy-two thousand, eight hundred forty-one".