1023444343313 has 4 divisors (see below), whose sum is σ = 1169650678080. Its totient is φ = 877238008548.

The previous prime is 1023444343237. The next prime is 1023444343321. The reversal of 1023444343313 is 3133434443201.

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 1023444343313 - 2²⁴ = 1023427566097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1023444343343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73103167373 + ... + 73103167386.

It is an arithmetic number, because the mean of its divisors is an integer number (292412669520).

Almost surely, 2^{1023444343313} is an apocalyptic number.

It is an amenable number.

1023444343313 is a deficient number, since it is larger than the sum of its proper divisors (146206334767).

1023444343313 is an equidigital number, since it uses as much as digits as its factorization.

1023444343313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146206334766.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 1023444343313 its reverse (3133434443201), we get a palindrome (4156878786514).

The spelling of 1023444343313 in words is "one trillion, twenty-three billion, four hundred forty-four million, three hundred forty-three thousand, three hundred thirteen".