2328191687 has 8 divisors (see below), whose sum is σ = 2339732304. Its totient is φ = 2316664768.

The previous prime is 2328191681. The next prime is 2328191693. The reversal of 2328191687 is 7861918232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2328191681) and next prime (2328191693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2328191687 - 2⁸ = 2328191431 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 (2328191681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541448 + ... + 545730.

It is an arithmetic number, because the mean of its divisors is an integer number (292466538).

Almost surely, 2^2328191687 is an apocalyptic number.

2328191687 is a deficient number, since it is larger than the sum of its proper divisors (11540617).

2328191687 is a wasteful number, since it uses less digits than its factorization.

2328191687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849.

The product of its digits is 290304, while the sum is 47.

The square root of 2328191687 is about 48251.3387068172. The cubic root of 2328191687 is about 1325.3774525931.

The spelling of 2328191687 in words is "two billion, three hundred twenty-eight million, one hundred ninety-one thousand, six hundred eighty-seven".