20023120323313 has 8 divisors (see below), whose sum is σ = 20399242742208. Its totient is φ = 19649270547984.

The previous prime is 20023120323263. The next prime is 20023120323319. The reversal of 20023120323313 is 31332302132002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023120323313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023120323319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568143106 + ... + 568178347.

It is an arithmetic number, because the mean of its divisors is an integer number (2549905342776).

Almost surely, 2^{20023120323313} is an apocalyptic number.

It is an amenable number.

20023120323313 is a deficient number, since it is larger than the sum of its proper divisors (376122418895).

20023120323313 is a wasteful number, since it uses less digits than its factorization.

20023120323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136321783.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20023120323313 its reverse (31332302132002), we get a palindrome (51355422455315).

The spelling of 20023120323313 in words is "twenty trillion, twenty-three billion, one hundred twenty million, three hundred twenty-three thousand, three hundred thirteen".