201123213003 has 64 divisors (see below), whose sum is σ = 317241792000. Its totient is φ = 125728702848.

The previous prime is 201123213001. The next prime is 201123213007. The reversal of 201123213003 is 300312321102.

It is not a de Polignac number, because 201123213003 - 2¹ = 201123213001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201123213001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3808125 + ... + 3860577.

It is an arithmetic number, because the mean of its divisors is an integer number (4956903000).

Almost surely, 2^201123213003 is an apocalyptic number.

201123213003 is a deficient number, since it is larger than the sum of its proper divisors (116118578997).

201123213003 is a wasteful number, since it uses less digits than its factorization.

201123213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52633 (or 52627 counting only the distinct ones).

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

Adding to 201123213003 its reverse (300312321102), we get a palindrome (501435534105).

The spelling of 201123213003 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirteen thousand, three".