1002303123013 has 4 divisors (see below), whose sum is σ = 1002313906528. Its totient is φ = 1002292339500.

The previous prime is 1002303123011. The next prime is 1002303123023. The reversal of 1002303123013 is 3103213032001.

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 1002303123013 - 2¹ = 1002303123011 is a prime.

It is a super-2 number, since 2×1002303123013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002303123011) 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, 5251113 + ... + 5438638.

It is an arithmetic number, because the mean of its divisors is an integer number (250578476632).

Almost surely, 2^{1002303123013} is an apocalyptic number.

It is an amenable number.

1002303123013 is a deficient number, since it is larger than the sum of its proper divisors (10783515).

1002303123013 is an equidigital number, since it uses as much as digits as its factorization.

1002303123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783514.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1002303123013 its reverse (3103213032001), we get a palindrome (4105516155014).

The spelling of 1002303123013 in words is "one trillion, two billion, three hundred three million, one hundred twenty-three thousand, thirteen".