2385323643 has 4 divisors (see below), whose sum is σ = 3180431528. Its totient is φ = 1590215760.

The previous prime is 2385323639. The next prime is 2385323653. The reversal of 2385323643 is 3463235832.

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

It is not a de Polignac number, because 2385323643 - 2² = 2385323639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2385323623) 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 3 ways as a sum of consecutive naturals, for example, 397553938 + ... + 397553943.

It is an arithmetic number, because the mean of its divisors is an integer number (795107882).

Almost surely, 2^2385323643 is an apocalyptic number.

2385323643 is a deficient number, since it is larger than the sum of its proper divisors (795107885).

2385323643 is an equidigital number, since it uses as much as digits as its factorization.

2385323643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795107884.

The product of its digits is 311040, while the sum is 39.

The square root of 2385323643 is about 48839.7752144704. The cubic root of 2385323643 is about 1336.1311968148.

It can be divided in two parts, 2385 and 323643, that added together give a triangular number (326028 = T₈₀₇).

The spelling of 2385323643 in words is "two billion, three hundred eighty-five million, three hundred twenty-three thousand, six hundred forty-three".