2113223243 has 8 divisors (see below), whose sum is σ = 2212434000. Its totient is φ = 2015768608.

The previous prime is 2113223239. The next prime is 2113223251. The reversal of 2113223243 is 3423223112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113223243 - 2² = 2113223239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113223213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436568 + ... + 441381.

It is an arithmetic number, because the mean of its divisors is an integer number (276554250).

Almost surely, 2^2113223243 is an apocalyptic number.

2113223243 is a deficient number, since it is larger than the sum of its proper divisors (99210757).

2113223243 is an equidigital number, since it uses as much as digits as its factorization.

2113223243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878061.

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

The square root of 2113223243 is about 45969.8079504363. The cubic root of 2113223243 is about 1283.2613858280.

Adding to 2113223243 its reverse (3423223112), we get a palindrome (5536446355).

The spelling of 2113223243 in words is "two billion, one hundred thirteen million, two hundred twenty-three thousand, two hundred forty-three".