1223303430515 has 16 divisors (see below), whose sum is σ = 1469249215200. Its totient is φ = 977786253312.

The previous prime is 1223303430511. The next prime is 1223303430533. The reversal of 1223303430515 is 5150343033221.

It is a cyclic number.

It is not a de Polignac number, because 1223303430515 - 2² = 1223303430511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223303430511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60781244 + ... + 60801366.

It is an arithmetic number, because the mean of its divisors is an integer number (91828075950).

Almost surely, 2^{1223303430515} is an apocalyptic number.

1223303430515 is a deficient number, since it is larger than the sum of its proper divisors (245945784685).

1223303430515 is a wasteful number, since it uses less digits than its factorization.

1223303430515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30166.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 1223303430515 its reverse (5150343033221), we get a palindrome (6373646463736).

The spelling of 1223303430515 in words is "one trillion, two hundred twenty-three billion, three hundred three million, four hundred thirty thousand, five hundred fifteen".