223120333440461 has 2 divisors, whose sum is σ = 223120333440462. Its totient is φ = 223120333440460.

The previous prime is 223120333440419. The next prime is 223120333440491. The reversal of 223120333440461 is 164044333021322.

223120333440461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173132463996361 + 49987869444100 = 13157981^2 + 7070210^2 .

It is a cyclic number.

It is not a de Polignac number, because 223120333440461 - 2³⁸ = 222845455533517 is a prime.

It is a super-3 number, since 3×223120333440461³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223120333440491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111560166720230 + 111560166720231.

It is an arithmetic number, because the mean of its divisors is an integer number (111560166720231).

Almost surely, 2^{223120333440461} is an apocalyptic number.

It is an amenable number.

223120333440461 is a deficient number, since it is larger than the sum of its proper divisors (1).

223120333440461 is an equidigital number, since it uses as much as digits as its factorization.

223120333440461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 223120333440461 its reverse (164044333021322), we get a palindrome (387164666461783).

The spelling of 223120333440461 in words is "two hundred twenty-three trillion, one hundred twenty billion, three hundred thirty-three million, four hundred forty thousand, four hundred sixty-one".