201000023003 has 4 divisors (see below), whose sum is σ = 216461563248. Its totient is φ = 185538482760.

The previous prime is 201000022997. The next prime is 201000023023. The reversal of 201000023003 is 300320000102.

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 201000023003 - 2¹⁸ = 200999760859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000023023) 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, 7730770103 + ... + 7730770128.

It is an arithmetic number, because the mean of its divisors is an integer number (54115390812).

Almost surely, 2^201000023003 is an apocalyptic number.

201000023003 is a deficient number, since it is larger than the sum of its proper divisors (15461540245).

201000023003 is a wasteful number, since it uses less digits than its factorization.

201000023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461540244.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 201000023003 its reverse (300320000102), we get a palindrome (501320023105).

The spelling of 201000023003 in words is "two hundred one billion, twenty-three thousand, three".