1303221003323 has 48 divisors (see below), whose sum is σ = 1491826418784. Its totient is φ = 1133341009920.

The previous prime is 1303221003313. The next prime is 1303221003377. The reversal of 1303221003323 is 3233001223031.

It is not a de Polignac number, because 1303221003323 - 2²² = 1303216809019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303221003313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32248136 + ... + 32288522.

It is an arithmetic number, because the mean of its divisors is an integer number (31079717058).

Almost surely, 2^{1303221003323} is an apocalyptic number.

1303221003323 is a deficient number, since it is larger than the sum of its proper divisors (188605415461).

1303221003323 is a wasteful number, since it uses less digits than its factorization.

1303221003323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40560 (or 40531 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1303221003323 its reverse (3233001223031), we get a palindrome (4536222226354).

The spelling of 1303221003323 in words is "one trillion, three hundred three billion, two hundred twenty-one million, three thousand, three hundred twenty-three".