20231023203 has 12 divisors (see below), whose sum is σ = 29506304880. Its totient is φ = 13356403056.

The previous prime is 20231023187. The next prime is 20231023249. The reversal of 20231023203 is 30232013202.

It is a happy number.

It is not a de Polignac number, because 20231023203 - 2⁴ = 20231023187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20231023903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10911168 + ... + 10913021.

It is an arithmetic number, because the mean of its divisors is an integer number (2458858740).

Almost surely, 2^20231023203 is an apocalyptic number.

20231023203 is a deficient number, since it is larger than the sum of its proper divisors (9275281677).

20231023203 is a wasteful number, since it uses less digits than its factorization.

20231023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824298 (or 21824295 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20231023203 its reverse (30232013202), we get a palindrome (50463036405).

The spelling of 20231023203 in words is "twenty billion, two hundred thirty-one million, twenty-three thousand, two hundred three".