1303320323444 has 12 divisors (see below), whose sum is σ = 2281173392064. Its totient is φ = 651556497144.

The previous prime is 1303320323423. The next prime is 1303320323467. The reversal of 1303320323444 is 4443230233031.

It is a super-2 number, since 2×1303320323444² (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 1303320323444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25887854 + ... + 25938149.

It is an arithmetic number, because the mean of its divisors is an integer number (190097782672).

Almost surely, 2^{1303320323444} is an apocalyptic number.

It is an amenable number.

1303320323444 is a deficient number, since it is larger than the sum of its proper divisors (977853068620).

1303320323444 is a wasteful number, since it uses less digits than its factorization.

1303320323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51832294 (or 51832292 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 1303320323444 its reverse (4443230233031), we get a palindrome (5746550556475).

The spelling of 1303320323444 in words is "one trillion, three hundred three billion, three hundred twenty million, three hundred twenty-three thousand, four hundred forty-four".