13020310120323 has 24 divisors (see below), whose sum is σ = 20086428846400. Its totient is φ = 7475776141680.

The previous prime is 13020310120313. The next prime is 13020310120331. The reversal of 13020310120323 is 32302101302031.

It is not a de Polignac number, because 13020310120323 - 2¹² = 13020310116227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13020310120323.

It is not an unprimeable number, because it can be changed into a prime (13020310120313) 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, 943904233 + ... + 943918026.

Almost surely, 2^{13020310120323} is an apocalyptic number.

13020310120323 is a deficient number, since it is larger than the sum of its proper divisors (7066118726077).

13020310120323 is a wasteful number, since it uses less digits than its factorization.

13020310120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887822303 (or 1887822292 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13020310120323 its reverse (32302101302031), we get a palindrome (45322411422354).

The spelling of 13020310120323 in words is "thirteen trillion, twenty billion, three hundred ten million, one hundred twenty thousand, three hundred twenty-three".