201105123034 has 8 divisors (see below), whose sum is σ = 301748747220. Its totient is φ = 100522207296.

The previous prime is 201105123019. The next prime is 201105123047. The reversal of 201105123034 is 430321501102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166566015625 + 34539107409 = 408125^2 + 185847^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 201105122996 and 201105123014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15168829 + ... + 15182080.

Almost surely, 2^201105123034 is an apocalyptic number.

201105123034 is a deficient number, since it is larger than the sum of its proper divisors (100643624186).

201105123034 is a wasteful number, since it uses less digits than its factorization.

201105123034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30354224.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 201105123034 its reverse (430321501102), we get a palindrome (631426624136).

The spelling of 201105123034 in words is "two hundred one billion, one hundred five million, one hundred twenty-three thousand, thirty-four".