1223354413311 has 4 divisors (see below), whose sum is σ = 1631139217752. Its totient is φ = 815569608872.

The previous prime is 1223354413301. The next prime is 1223354413313. The reversal of 1223354413311 is 1133144533221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223354413311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223354413313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203892402216 + ... + 203892402221.

It is an arithmetic number, because the mean of its divisors is an integer number (407784804438).

Almost surely, 2^{1223354413311} is an apocalyptic number.

1223354413311 is a deficient number, since it is larger than the sum of its proper divisors (407784804441).

1223354413311 is an equidigital number, since it uses as much as digits as its factorization.

1223354413311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407784804440.

The product of its digits is 25920, while the sum is 33.

Adding to 1223354413311 its reverse (1133144533221), we get a palindrome (2356498946532).

The spelling of 1223354413311 in words is "one trillion, two hundred twenty-three billion, three hundred fifty-four million, four hundred thirteen thousand, three hundred eleven".