1303423342313 has 4 divisors (see below), whose sum is σ = 1304062590720. Its totient is φ = 1302784093908.

The previous prime is 1303423342267. The next prime is 1303423342357. The reversal of 1303423342313 is 3132433243031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303423342313 - 2²⁸ = 1303154906857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303423342313.

It is not an unprimeable number, because it can be changed into a prime (1303423342813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319621145 + ... + 319625222.

It is an arithmetic number, because the mean of its divisors is an integer number (326015647680).

Almost surely, 2^{1303423342313} is an apocalyptic number.

It is an amenable number.

1303423342313 is a deficient number, since it is larger than the sum of its proper divisors (639248407).

1303423342313 is an equidigital number, since it uses as much as digits as its factorization.

1303423342313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639248406.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 1303423342313 its reverse (3132433243031), we get a palindrome (4435856585344).

The spelling of 1303423342313 in words is "one trillion, three hundred three billion, four hundred twenty-three million, three hundred forty-two thousand, three hundred thirteen".