2002313304523 has 24 divisors (see below), whose sum is σ = 2358759094272. Its totient is φ = 1694529953424.

The previous prime is 2002313304499. The next prime is 2002313304533. The reversal of 2002313304523 is 3254033132002.

It is not a de Polignac number, because 2002313304523 - 2⁹ = 2002313304011 is a prime.

It is a super-2 number, since 2×2002313304523² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002313304491 and 2002313304500.

It is not an unprimeable number, because it can be changed into a prime (2002313304533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6382486 + ... + 6688852.

It is an arithmetic number, because the mean of its divisors is an integer number (98281628928).

Almost surely, 2^{2002313304523} is an apocalyptic number.

2002313304523 is a deficient number, since it is larger than the sum of its proper divisors (356445789749).

2002313304523 is a wasteful number, since it uses less digits than its factorization.

2002313304523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308071 (or 308064 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 2002313304523 its reverse (3254033132002), we get a palindrome (5256346436525).

The spelling of 2002313304523 in words is "two trillion, two billion, three hundred thirteen million, three hundred four thousand, five hundred twenty-three".