20123224200123 has 32 divisors (see below), whose sum is σ = 29559530880000. Its totient is φ = 12075437888160.

The previous prime is 20123224200109. The next prime is 20123224200139. The reversal of 20123224200123 is 32100242232102.

It is not a de Polignac number, because 20123224200123 - 2¹⁸ = 20123223937979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123224200093 and 20123224200102.

It is not an unprimeable number, because it can be changed into a prime (20123224207123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5066128 + ... + 8118626.

It is an arithmetic number, because the mean of its divisors is an integer number (923735340000).

Almost surely, 2^{20123224200123} is an apocalyptic number.

20123224200123 is a deficient number, since it is larger than the sum of its proper divisors (9436306679877).

20123224200123 is a wasteful number, since it uses less digits than its factorization.

20123224200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054487.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20123224200123 its reverse (32100242232102), we get a palindrome (52223466432225).

The spelling of 20123224200123 in words is "twenty trillion, one hundred twenty-three billion, two hundred twenty-four million, two hundred thousand, one hundred twenty-three".