2785319923 has 4 divisors (see below), whose sum is σ = 2812361968. Its totient is φ = 2758277880.

The previous prime is 2785319903. The next prime is 2785319939. The reversal of 2785319923 is 3299135872.

2785319923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2785319923 - 2¹⁷ = 2785188851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2785319903) 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, 13520868 + ... + 13521073.

It is an arithmetic number, because the mean of its divisors is an integer number (703090492).

Almost surely, 2^2785319923 is an apocalyptic number.

2785319923 is a deficient number, since it is larger than the sum of its proper divisors (27042045).

2785319923 is a wasteful number, since it uses less digits than its factorization.

2785319923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27042044.

The product of its digits is 816480, while the sum is 49.

The square root of 2785319923 is about 52776.1302389631. The cubic root of 2785319923 is about 1406.9922174325.

The spelling of 2785319923 in words is "two billion, seven hundred eighty-five million, three hundred nineteen thousand, nine hundred twenty-three".