201123130034 has 16 divisors (see below), whose sum is σ = 313811872920. Its totient is φ = 96557489280.

The previous prime is 201123130007. The next prime is 201123130123. The reversal of 201123130034 is 430031321102.

201123130034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52439626009 + 148683504025 = 228997^2 + 385595^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201123129988 and 201123130015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9568619 + ... + 9589614.

Almost surely, 2^201123130034 is an apocalyptic number.

201123130034 is a deficient number, since it is larger than the sum of its proper divisors (112688742886).

201123130034 is a wasteful number, since it uses less digits than its factorization.

201123130034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19158445.

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

Adding to 201123130034 its reverse (430031321102), we get a palindrome (631154451136).

The spelling of 201123130034 in words is "two hundred one billion, one hundred twenty-three million, one hundred thirty thousand, thirty-four".