20203230023 has 4 divisors (see below), whose sum is σ = 20203658520. Its totient is φ = 20202801528.

The previous prime is 20203230017. The next prime is 20203230067. The reversal of 20203230023 is 32003230202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20203230023 - 2¹⁸ = 20202967879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203229983 and 20203230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203236023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133340 + ... + 241217.

It is an arithmetic number, because the mean of its divisors is an integer number (5050914630).

Almost surely, 2^20203230023 is an apocalyptic number.

20203230023 is a deficient number, since it is larger than the sum of its proper divisors (428497).

20203230023 is an equidigital number, since it uses as much as digits as its factorization.

20203230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428496.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20203230023 its reverse (32003230202), we get a palindrome (52206460225).

The spelling of 20203230023 in words is "twenty billion, two hundred three million, two hundred thirty thousand, twenty-three".