201020201303123 has 8 divisors (see below), whose sum is σ = 201081992951376. Its totient is φ = 200958418944000.

The previous prime is 201020201303039. The next prime is 201020201303171. The reversal of 201020201303123 is 321303102020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020201303123 - 2¹⁰ = 201020201302099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020201303095 and 201020201303104.

It is not an unprimeable number, because it can be changed into a prime (201020201303183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41089715 + ... + 45720947.

It is an arithmetic number, because the mean of its divisors is an integer number (25135249118922).

Almost surely, 2^{201020201303123} is an apocalyptic number.

201020201303123 is a deficient number, since it is larger than the sum of its proper divisors (61791648253).

201020201303123 is an equidigital number, since it uses as much as digits as its factorization.

201020201303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644565.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201020201303123 its reverse (321303102020102), we get a palindrome (522323303323225).

The spelling of 201020201303123 in words is "two hundred one trillion, twenty billion, two hundred one million, three hundred three thousand, one hundred twenty-three".