20121300321323 has 8 divisors (see below), whose sum is σ = 20465003790960. Its totient is φ = 19777685667840.

The previous prime is 20121300321319. The next prime is 20121300321347. The reversal of 20121300321323 is 32312300312102.

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 20121300321323 - 2² = 20121300321319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121300321523) 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, 21746990 + ... + 22653347.

It is an arithmetic number, because the mean of its divisors is an integer number (2558125473870).

Almost surely, 2^{20121300321323} is an apocalyptic number.

20121300321323 is a deficient number, since it is larger than the sum of its proper divisors (343703469637).

20121300321323 is an equidigital number, since it uses as much as digits as its factorization.

20121300321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408077.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20121300321323 its reverse (32312300312102), we get a palindrome (52433600633425).

The spelling of 20121300321323 in words is "twenty trillion, one hundred twenty-one billion, three hundred million, three hundred twenty-one thousand, three hundred twenty-three".