201023213103 has 14 divisors (see below), whose sum is σ = 301396944744. Its totient is φ = 134015474916.

The previous prime is 201023213059. The next prime is 201023213117. The reversal of 201023213103 is 301312320102.

201023213103 is a `hidden beast` number, since 20 + 10 + 2 + 321 + 310 + 3 = 666.

It is not a de Polignac number, because 201023213103 - 2¹⁰ = 201023212079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023214103) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 137875275 + ... + 137876732.

It is an arithmetic number, because the mean of its divisors is an integer number (21528353196).

Almost surely, 2^201023213103 is an apocalyptic number.

201023213103 is a deficient number, since it is larger than the sum of its proper divisors (100373731641).

201023213103 is an frugal number, since it uses more digits than its factorization.

201023213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275752025 (or 275752010 counting only the distinct ones).

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

Adding to 201023213103 its reverse (301312320102), we get a palindrome (502335533205).

The spelling of 201023213103 in words is "two hundred one billion, twenty-three million, two hundred thirteen thousand, one hundred three".