2113234223 has 4 divisors (see below), whose sum is σ = 2113329840. Its totient is φ = 2113138608.

The previous prime is 2113234219. The next prime is 2113234231. The reversal of 2113234223 is 3224323112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2113234223 - 2² = 2113234219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113284223) 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, 4211 + ... + 65147.

It is an arithmetic number, because the mean of its divisors is an integer number (528332460).

Almost surely, 2^2113234223 is an apocalyptic number.

2113234223 is a deficient number, since it is larger than the sum of its proper divisors (95617).

2113234223 is an equidigital number, since it uses as much as digits as its factorization.

2113234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95616.

The product of its digits is 1728, while the sum is 23.

The square root of 2113234223 is about 45969.9273764926. The cubic root of 2113234223 is about 1283.2636083705.

Adding to 2113234223 its reverse (3224323112), we get a palindrome (5337557335).

Subtracting 2113234223 from its reverse (3224323112), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 21132 and 34223, that added together give a palindrome (55355).

The spelling of 2113234223 in words is "two billion, one hundred thirteen million, two hundred thirty-four thousand, two hundred twenty-three".