20023312132313 has 8 divisors (see below), whose sum is σ = 22896081808320. Its totient is φ = 17153616584880.

The previous prime is 20023312132277. The next prime is 20023312132337. The reversal of 20023312132313 is 31323121332002.

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

It is a cyclic number.

It is not a de Polignac number, because 20023312132313 - 2¹² = 20023312128217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023312135313) 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, 768518183 + ... + 768544236.

It is an arithmetic number, because the mean of its divisors is an integer number (2862010226040).

Almost surely, 2^{20023312132313} is an apocalyptic number.

It is an amenable number.

20023312132313 is a deficient number, since it is larger than the sum of its proper divisors (2872769676007).

20023312132313 is a wasteful number, since it uses less digits than its factorization.

20023312132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537064287.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20023312132313 its reverse (31323121332002), we get a palindrome (51346433464315).

The spelling of 20023312132313 in words is "twenty trillion, twenty-three billion, three hundred twelve million, one hundred thirty-two thousand, three hundred thirteen".