1303111231323 has 16 divisors (see below), whose sum is σ = 1895628341376. Its totient is φ = 789683623040.

The previous prime is 1303111231319. The next prime is 1303111231349. The reversal of 1303111231323 is 3231321113031.

It is a cyclic number.

It is not a de Polignac number, because 1303111231323 - 2² = 1303111231319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303111231293 and 1303111231302.

It is not an unprimeable number, because it can be changed into a prime (1303111231393) 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, 1690590 + ... + 2337587.

It is an arithmetic number, because the mean of its divisors is an integer number (118476771336).

Almost surely, 2^{1303111231323} is an apocalyptic number.

1303111231323 is a deficient number, since it is larger than the sum of its proper divisors (592517110053).

1303111231323 is a wasteful number, since it uses less digits than its factorization.

1303111231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037994.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1303111231323 its reverse (3231321113031), we get a palindrome (4534432344354).

The spelling of 1303111231323 in words is "one trillion, three hundred three billion, one hundred eleven million, two hundred thirty-one thousand, three hundred twenty-three".