2243623243 has 4 divisors (see below), whose sum is σ = 2243731168. Its totient is φ = 2243515320.

The previous prime is 2243623237. The next prime is 2243623253. The reversal of 2243623243 is 3423263422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3423263422 = 2 ⋅1711631711.

It is a cyclic number.

It is not a de Polignac number, because 2243623243 - 2²⁹ = 1706752331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243623253) 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, 11796 + ... + 68017.

It is an arithmetic number, because the mean of its divisors is an integer number (560932792).

Almost surely, 2^2243623243 is an apocalyptic number.

2243623243 is a deficient number, since it is larger than the sum of its proper divisors (107925).

2243623243 is an equidigital number, since it uses as much as digits as its factorization.

2243623243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107924.

The product of its digits is 41472, while the sum is 31.

The square root of 2243623243 is about 47366.9002891259. The cubic root of 2243623243 is about 1309.1316123873.

Adding to 2243623243 its reverse (3423263422), we get a palindrome (5666886665).

The spelling of 2243623243 in words is "two billion, two hundred forty-three million, six hundred twenty-three thousand, two hundred forty-three".