224123321077 has 2 divisors, whose sum is σ = 224123321078. Its totient is φ = 224123321076.

The previous prime is 224123321047. The next prime is 224123321159. The reversal of 224123321077 is 770123321422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223923918436 + 199402641 = 473206^2 + 14121^2 .

It is a cyclic number.

It is not a de Polignac number, because 224123321077 - 2¹¹ = 224123319029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224123321017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112061660538 + 112061660539.

It is an arithmetic number, because the mean of its divisors is an integer number (112061660539).

Almost surely, 2^224123321077 is an apocalyptic number.

It is an amenable number.

224123321077 is a deficient number, since it is larger than the sum of its proper divisors (1).

224123321077 is an equidigital number, since it uses as much as digits as its factorization.

224123321077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 224123321077 its reverse (770123321422), we get a palindrome (994246642499).

The spelling of 224123321077 in words is "two hundred twenty-four billion, one hundred twenty-three million, three hundred twenty-one thousand, seventy-seven".