201232103123 has 8 divisors (see below), whose sum is σ = 207131860992. Its totient is φ = 195399771336.

The previous prime is 201232103071. The next prime is 201232103141. The reversal of 201232103123 is 321301232102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201232103123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201232103095 and 201232103104.

It is not an unprimeable number, because it can be changed into a prime (201232103143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16850465 + ... + 16862402.

It is an arithmetic number, because the mean of its divisors is an integer number (25891482624).

Almost surely, 2^201232103123 is an apocalyptic number.

201232103123 is a deficient number, since it is larger than the sum of its proper divisors (5899757869).

201232103123 is a wasteful number, since it uses less digits than its factorization.

201232103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33713041.

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

Adding to 201232103123 its reverse (321301232102), we get a palindrome (522533335225).

The spelling of 201232103123 in words is "two hundred one billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-three".