2194289323 has 4 divisors (see below), whose sum is σ = 2194520848. Its totient is φ = 2194057800.

The previous prime is 2194289299. The next prime is 2194289327. The reversal of 2194289323 is 3239824912.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2194289323 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 2194289323.

It is not an unprimeable number, because it can be changed into a prime (2194289327) 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, 100911 + ... + 120712.

It is an arithmetic number, because the mean of its divisors is an integer number (548630212).

Almost surely, 2^2194289323 is an apocalyptic number.

2194289323 is a deficient number, since it is larger than the sum of its proper divisors (231525).

2194289323 is an equidigital number, since it uses as much as digits as its factorization.

2194289323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231524.

The product of its digits is 186624, while the sum is 43.

The square root of 2194289323 is about 46843.2420205946. The cubic root of 2194289323 is about 1299.4651296680.

The spelling of 2194289323 in words is "two billion, one hundred ninety-four million, two hundred eighty-nine thousand, three hundred twenty-three".