1002320023313 has 4 divisors (see below), whose sum is σ = 1145508598080. Its totient is φ = 859131448548.

The previous prime is 1002320023279. The next prime is 1002320023333. The reversal of 1002320023313 is 3133200232001.

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 1002320023313 - 2¹⁰ = 1002320022289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002320023333) 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, 71594287373 + ... + 71594287386.

It is an arithmetic number, because the mean of its divisors is an integer number (286377149520).

Almost surely, 2^{1002320023313} is an apocalyptic number.

It is an amenable number.

1002320023313 is a deficient number, since it is larger than the sum of its proper divisors (143188574767).

1002320023313 is an equidigital number, since it uses as much as digits as its factorization.

1002320023313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143188574766.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1002320023313 its reverse (3133200232001), we get a palindrome (4135520255314).

The spelling of 1002320023313 in words is "one trillion, two billion, three hundred twenty million, twenty-three thousand, three hundred thirteen".