1303143244323 has 16 divisors (see below), whose sum is σ = 1763636434560. Its totient is φ = 855708739776.

The previous prime is 1303143244301. The next prime is 1303143244343. The reversal of 1303143244323 is 3234423413031.

It is a happy number.

It is not a de Polignac number, because 1303143244323 - 2²¹ = 1303141147171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303143244343) 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, 1687936 + ... + 2335682.

It is an arithmetic number, because the mean of its divisors is an integer number (110227277160).

Almost surely, 2^{1303143244323} is an apocalyptic number.

1303143244323 is a deficient number, since it is larger than the sum of its proper divisors (460493190237).

1303143244323 is a wasteful number, since it uses less digits than its factorization.

1303143244323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657826.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 1303143244323 its reverse (3234423413031), we get a palindrome (4537566657354).

The spelling of 1303143244323 in words is "one trillion, three hundred three billion, one hundred forty-three million, two hundred forty-four thousand, three hundred twenty-three".