2113609423 has 4 divisors (see below), whose sum is σ = 2170734040. Its totient is φ = 2056484808.

The previous prime is 2113609417. The next prime is 2113609429. The reversal of 2113609423 is 3249063112.

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

It is an interprime number because it is at equal distance from previous prime (2113609417) and next prime (2113609429).

It is a cyclic number.

It is not a de Polignac number, because 2113609423 - 2²⁹ = 1576738511 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 (2113609429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28562253 + ... + 28562326.

It is an arithmetic number, because the mean of its divisors is an integer number (542683510).

Almost surely, 2^2113609423 is an apocalyptic number.

2113609423 is a deficient number, since it is larger than the sum of its proper divisors (57124617).

2113609423 is an equidigital number, since it uses as much as digits as its factorization.

2113609423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57124616.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2113609423 is about 45974.0081241564. The cubic root of 2113609423 is about 1283.3395507354.

The spelling of 2113609423 in words is "two billion, one hundred thirteen million, six hundred nine thousand, four hundred twenty-three".