201111243310023 has 32 divisors (see below), whose sum is σ = 275809821030912. Its totient is φ = 130254336662400.

The previous prime is 201111243309917. The next prime is 201111243310031. The reversal of 201111243310023 is 320013342111102.

It is not a de Polignac number, because 201111243310023 - 2⁴⁰ = 200011731682247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201111243309975 and 201111243310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111243310123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560110590 + ... + 1560239492.

It is an arithmetic number, because the mean of its divisors is an integer number (8619056907216).

Almost surely, 2^{201111243310023} is an apocalyptic number.

201111243310023 is a deficient number, since it is larger than the sum of its proper divisors (74698577720889).

201111243310023 is a wasteful number, since it uses less digits than its factorization.

201111243310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149975.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 201111243310023 its reverse (320013342111102), we get a palindrome (521124585421125).

The spelling of 201111243310023 in words is "two hundred one trillion, one hundred eleven billion, two hundred forty-three million, three hundred ten thousand, twenty-three".