2194501323 has 16 divisors (see below), whose sum is σ = 3489394176. Its totient is φ = 1199478720.

The previous prime is 2194501301. The next prime is 2194501333. The reversal of 2194501323 is 3231054912.

It is not a de Polignac number, because 2194501323 - 2¹⁰ = 2194500299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2194501333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271258 + ... + 2272223.

It is an arithmetic number, because the mean of its divisors is an integer number (218087136).

Almost surely, 2^2194501323 is an apocalyptic number.

2194501323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2194501323 is a deficient number, since it is larger than the sum of its proper divisors (1294892853).

2194501323 is a wasteful number, since it uses less digits than its factorization.

2194501323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543514.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2194501323 is about 46845.5048323743. The cubic root of 2194501323 is about 1299.5069773455.

The spelling of 2194501323 in words is "two billion, one hundred ninety-four million, five hundred one thousand, three hundred twenty-three".