2113623227 has 4 divisors (see below), whose sum is σ = 2117224536. Its totient is φ = 2110021920.

The previous prime is 2113623179. The next prime is 2113623313. The reversal of 2113623227 is 7223263112.

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 2113623227 - 2¹⁸ = 2113361083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113623227.

It is not an unprimeable number, because it can be changed into a prime (2113623427) 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, 1799774 + ... + 1800947.

It is an arithmetic number, because the mean of its divisors is an integer number (529306134).

Almost surely, 2^2113623227 is an apocalyptic number.

2113623227 is a deficient number, since it is larger than the sum of its proper divisors (3601309).

2113623227 is an equidigital number, since it uses as much as digits as its factorization.

2113623227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601308.

The product of its digits is 6048, while the sum is 29.

The square root of 2113623227 is about 45974.1582522182. The cubic root of 2113623227 is about 1283.3423445630.

Adding to 2113623227 its reverse (7223263112), we get a palindrome (9336886339).

The spelling of 2113623227 in words is "two billion, one hundred thirteen million, six hundred twenty-three thousand, two hundred twenty-seven".