20023123323203 has 32 divisors (see below), whose sum is σ = 27106377134592. Its totient is φ = 14402246459040.

The previous prime is 20023123323193. The next prime is 20023123323209. The reversal of 20023123323203 is 30232332132002.

It is not a de Polignac number, because 20023123323203 - 2²⁰ = 20023122274627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023123323209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82536401 + ... + 82778642.

It is an arithmetic number, because the mean of its divisors is an integer number (847074285456).

Almost surely, 2^{20023123323203} is an apocalyptic number.

20023123323203 is a deficient number, since it is larger than the sum of its proper divisors (7083253811389).

20023123323203 is a wasteful number, since it uses less digits than its factorization.

20023123323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165315096 (or 165315074 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 20023123323203 its reverse (30232332132002), we get a palindrome (50255455455205).

The spelling of 20023123323203 in words is "twenty trillion, twenty-three billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred three".