223343463047681 has 2 divisors, whose sum is σ = 223343463047682. Its totient is φ = 223343463047680.

The previous prime is 223343463047651. The next prime is 223343463047753. The reversal of 223343463047681 is 186740364343322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220475249831281 + 2868213216400 = 14848409^2 + 1693580^2 .

It is a cyclic number.

It is not a de Polignac number, because 223343463047681 - 2²² = 223343458853377 is a prime.

It is a super-2 number, since 2×223343463047681² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223343463047651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111671731523840 + 111671731523841.

It is an arithmetic number, because the mean of its divisors is an integer number (111671731523841).

Almost surely, 2^{223343463047681} is an apocalyptic number.

It is an amenable number.

223343463047681 is a deficient number, since it is larger than the sum of its proper divisors (1).

223343463047681 is an equidigital number, since it uses as much as digits as its factorization.

223343463047681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 56.

The spelling of 223343463047681 in words is "two hundred twenty-three trillion, three hundred forty-three billion, four hundred sixty-three million, forty-seven thousand, six hundred eighty-one".