2117388323 has 4 divisors (see below), whose sum is σ = 2134060800. Its totient is φ = 2100715848.

The previous prime is 2117388313. The next prime is 2117388331. The reversal of 2117388323 is 3238837112.

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 2117388323 - 2¹⁰ = 2117387299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2117388313) 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, 8336048 + ... + 8336301.

It is an arithmetic number, because the mean of its divisors is an integer number (533515200).

Almost surely, 2^2117388323 is an apocalyptic number.

2117388323 is a deficient number, since it is larger than the sum of its proper divisors (16672477).

2117388323 is a wasteful number, since it uses less digits than its factorization.

2117388323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672476.

The product of its digits is 48384, while the sum is 38.

The square root of 2117388323 is about 46015.0879929616. The cubic root of 2117388323 is about 1284.1039184647.

The spelling of 2117388323 in words is "two billion, one hundred seventeen million, three hundred eighty-eight thousand, three hundred twenty-three".