201123230003 has 4 divisors (see below), whose sum is σ = 209867718288. Its totient is φ = 192378741720.

The previous prime is 201123229963. The next prime is 201123230047. The reversal of 201123230003 is 300032321102.

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 201123230003 - 2¹⁴ = 201123213619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122230003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4372244108 + ... + 4372244153.

It is an arithmetic number, because the mean of its divisors is an integer number (52466929572).

Almost surely, 2^201123230003 is an apocalyptic number.

201123230003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201123230003 is a deficient number, since it is larger than the sum of its proper divisors (8744488285).

201123230003 is an equidigital number, since it uses as much as digits as its factorization.

201123230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744488284.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201123230003 its reverse (300032321102), we get a palindrome (501155551105).

The spelling of 201123230003 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirty thousand, three".