1213410444223 has 2 divisors, whose sum is σ = 1213410444224. Its totient is φ = 1213410444222.

The previous prime is 1213410444217. The next prime is 1213410444247. The reversal of 1213410444223 is 3224440143121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213410444223 is a prime.

It is a super-2 number, since 2×1213410444223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213410444203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606705222111 + 606705222112.

It is an arithmetic number, because the mean of its divisors is an integer number (606705222112).

Almost surely, 2^{1213410444223} is an apocalyptic number.

1213410444223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213410444223 is an equidigital number, since it uses as much as digits as its factorization.

1213410444223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1213410444223 its reverse (3224440143121), we get a palindrome (4437850587344).

The spelling of 1213410444223 in words is "one trillion, two hundred thirteen billion, four hundred ten million, four hundred forty-four thousand, two hundred twenty-three".