211103130023 has 4 divisors (see below), whose sum is σ = 211115849160. Its totient is φ = 211090410888.

The previous prime is 211103130013. The next prime is 211103130041. The reversal of 211103130023 is 320031301112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211103130023 - 2⁶ = 211103129959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211103129983 and 211103130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103130013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6334640 + ... + 6367877.

It is an arithmetic number, because the mean of its divisors is an integer number (52778962290).

Almost surely, 2^211103130023 is an apocalyptic number.

211103130023 is a deficient number, since it is larger than the sum of its proper divisors (12719137).

211103130023 is a wasteful number, since it uses less digits than its factorization.

211103130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719136.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 211103130023 its reverse (320031301112), we get a palindrome (531134431135).

The spelling of 211103130023 in words is "two hundred eleven billion, one hundred three million, one hundred thirty thousand, twenty-three".