2328191623 has 4 divisors (see below), whose sum is σ = 2336783008. Its totient is φ = 2319600240.

The previous prime is 2328191611. The next prime is 2328191641. The reversal of 2328191623 is 3261918232.

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 2328191623 - 2⁹ = 2328191111 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 (2328191653) 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, 4295286 + ... + 4295827.

It is an arithmetic number, because the mean of its divisors is an integer number (584195752).

Almost surely, 2^2328191623 is an apocalyptic number.

2328191623 is a deficient number, since it is larger than the sum of its proper divisors (8591385).

2328191623 is an equidigital number, since it uses as much as digits as its factorization.

2328191623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591384.

The product of its digits is 31104, while the sum is 37.

The square root of 2328191623 is about 48251.3380436232. The cubic root of 2328191623 is about 1325.3774404486.

The spelling of 2328191623 in words is "two billion, three hundred twenty-eight million, one hundred ninety-one thousand, six hundred twenty-three".