1223434230413 has 2 divisors, whose sum is σ = 1223434230414. Its totient is φ = 1223434230412.

The previous prime is 1223434230391. The next prime is 1223434230443. The reversal of 1223434230413 is 3140324343221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194828258724 + 28605971689 = 1093082^2 + 169133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223434230413 - 2⁶ = 1223434230349 is a prime.

It is a super-2 number, since 2×1223434230413² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223434230413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223434230443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611717115206 + 611717115207.

It is an arithmetic number, because the mean of its divisors is an integer number (611717115207).

Almost surely, 2^{1223434230413} is an apocalyptic number.

It is an amenable number.

1223434230413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223434230413 is an equidigital number, since it uses as much as digits as its factorization.

1223434230413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1223434230413 its reverse (3140324343221), we get a palindrome (4363758573634).

The spelling of 1223434230413 in words is "one trillion, two hundred twenty-three billion, four hundred thirty-four million, two hundred thirty thousand, four hundred thirteen".