20321300121123 has 8 divisors (see below), whose sum is σ = 27095420151568. Its totient is φ = 13547356752384.

The previous prime is 20321300121071. The next prime is 20321300121149. The reversal of 20321300121123 is 32112100312302.

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

It is not a de Polignac number, because 20321300121123 - 2³⁷ = 20183861167651 is a prime.

It is a super-2 number, since 2×20321300121123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20321300121123.

It is not an unprimeable number, because it can be changed into a prime (20321300123123) 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, 43896790 + ... + 44357307.

It is an arithmetic number, because the mean of its divisors is an integer number (3386927518946).

Almost surely, 2^{20321300121123} is an apocalyptic number.

20321300121123 is a deficient number, since it is larger than the sum of its proper divisors (6774120030445).

20321300121123 is an equidigital number, since it uses as much as digits as its factorization.

20321300121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88330853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20321300121123 its reverse (32112100312302), we get a palindrome (52433400433425).

The spelling of 20321300121123 in words is "twenty trillion, three hundred twenty-one billion, three hundred million, one hundred twenty-one thousand, one hundred twenty-three".