1303212231323 has 16 divisors (see below), whose sum is σ = 1382264813376. Its totient is φ = 1224427361280.

The previous prime is 1303212231317. The next prime is 1303212231329. The reversal of 1303212231323 is 3231322123031.

It is an interprime number because it is at equal distance from previous prime (1303212231317) and next prime (1303212231329).

It is a cyclic number.

It is not a de Polignac number, because 1303212231323 - 2³⁰ = 1302138489499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303212231292 and 1303212231301.

It is not an unprimeable number, because it can be changed into a prime (1303212231329) 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, 23919653 + ... + 23974073.

It is an arithmetic number, because the mean of its divisors is an integer number (86391550836).

Almost surely, 2^{1303212231323} is an apocalyptic number.

1303212231323 is a deficient number, since it is larger than the sum of its proper divisors (79052582053).

1303212231323 is a wasteful number, since it uses less digits than its factorization.

1303212231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56854.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1303212231323 its reverse (3231322123031), we get a palindrome (4534534354354).

The spelling of 1303212231323 in words is "one trillion, three hundred three billion, two hundred twelve million, two hundred thirty-one thousand, three hundred twenty-three".