13023120203101 has 4 divisors (see below), whose sum is σ = 13023136641852. Its totient is φ = 13023103764352.

The previous prime is 13023120203053. The next prime is 13023120203111. The reversal of 13023120203101 is 10130202132031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12528053171001 + 495067032100 = 3539499^2 + 703610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13023120203101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023120203111) 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, 6967486 + ... + 8636671.

It is an arithmetic number, because the mean of its divisors is an integer number (3255784160463).

Almost surely, 2^{13023120203101} is an apocalyptic number.

It is an amenable number.

13023120203101 is a deficient number, since it is larger than the sum of its proper divisors (16438751).

13023120203101 is an equidigital number, since it uses as much as digits as its factorization.

13023120203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16438750.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13023120203101 its reverse (10130202132031), we get a palindrome (23153322335132).

The spelling of 13023120203101 in words is "thirteen trillion, twenty-three billion, one hundred twenty million, two hundred three thousand, one hundred one".