1303220320123 has 8 divisors (see below), whose sum is σ = 1325449858736. Its totient is φ = 1281018693600.

The previous prime is 1303220320111. The next prime is 1303220320139. The reversal of 1303220320123 is 3210230223031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303220320123 - 2⁵ = 1303220320091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303220320094 and 1303220320103.

It is not an unprimeable number, because it can be changed into a prime (1303220320153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6883836 + ... + 7070617.

It is an arithmetic number, because the mean of its divisors is an integer number (165681232342).

Almost surely, 2^{1303220320123} is an apocalyptic number.

1303220320123 is a deficient number, since it is larger than the sum of its proper divisors (22229538613).

1303220320123 is a wasteful number, since it uses less digits than its factorization.

1303220320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13956045.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1303220320123 its reverse (3210230223031), we get a palindrome (4513450543154).

The spelling of 1303220320123 in words is "one trillion, three hundred three billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty-three".