20203203120023 has 16 divisors (see below), whose sum is σ = 25188508631040. Its totient is φ = 15742693461600.

The previous prime is 20203203120013. The next prime is 20203203120029. The reversal of 20203203120023 is 32002130230202.

It is not a de Polignac number, because 20203203120023 - 2⁸ = 20203203119767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203203119977 and 20203203120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203203120029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33447533 + ... + 34046201.

It is an arithmetic number, because the mean of its divisors is an integer number (1574281789440).

Almost surely, 2^{20203203120023} is an apocalyptic number.

20203203120023 is a deficient number, since it is larger than the sum of its proper divisors (4985305511017).

20203203120023 is a wasteful number, since it uses less digits than its factorization.

20203203120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036958.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20203203120023 its reverse (32002130230202), we get a palindrome (52205333350225).

The spelling of 20203203120023 in words is "twenty trillion, two hundred three billion, two hundred three million, one hundred twenty thousand, twenty-three".