201023113203 has 96 divisors (see below), whose sum is σ = 335811168000. Its totient is φ = 118696596480.

The previous prime is 201023113199. The next prime is 201023113217. The reversal of 201023113203 is 302311320102.

201023113203 is a `hidden beast` number, since 20 + 10 + 2 + 311 + 320 + 3 = 666.

It is not a de Polignac number, because 201023113203 - 2² = 201023113199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201023113273) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63074376 + ... + 63077562.

It is an arithmetic number, because the mean of its divisors is an integer number (3498033000).

Almost surely, 2^201023113203 is an apocalyptic number.

201023113203 is a deficient number, since it is larger than the sum of its proper divisors (134788054797).

201023113203 is a wasteful number, since it uses less digits than its factorization.

201023113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201023113203 its reverse (302311320102), we get a palindrome (503334433305).

The spelling of 201023113203 in words is "two hundred one billion, twenty-three million, one hundred thirteen thousand, two hundred three".