1223320131303 has 16 divisors (see below), whose sum is σ = 1650721776000. Its totient is φ = 805786993440.

The previous prime is 1223320131269. The next prime is 1223320131317. The reversal of 1223320131303 is 3031310233221.

It is not a de Polignac number, because 1223320131303 - 2¹³ = 1223320123111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223320131353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6706453 + ... + 6886446.

It is an arithmetic number, because the mean of its divisors is an integer number (103170111000).

Almost surely, 2^{1223320131303} is an apocalyptic number.

1223320131303 is a deficient number, since it is larger than the sum of its proper divisors (427401644697).

1223320131303 is a wasteful number, since it uses less digits than its factorization.

1223320131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13593262.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1223320131303 its reverse (3031310233221), we get a palindrome (4254630364524).

The spelling of 1223320131303 in words is "one trillion, two hundred twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, three hundred three".