768871723 has 4 divisors (see below), whose sum is σ = 772735600. Its totient is φ = 765007848.

The previous prime is 768871717. The next prime is 768871739. The reversal of 768871723 is 327178867.

768871723 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, and also an emirpimes, since its reverse is a distinct semiprime: 327178867 = 31 ⋅10554157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768871723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768871123) 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, 1931640 + ... + 1932037.

It is an arithmetic number, because the mean of its divisors is an integer number (193183900).

Almost surely, 2^768871723 is an apocalyptic number.

768871723 is a deficient number, since it is larger than the sum of its proper divisors (3863877).

768871723 is a wasteful number, since it uses less digits than its factorization.

768871723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863876.

The product of its digits is 790272, while the sum is 49.

The square root of 768871723 is about 27728.5362577977. The cubic root of 768871723 is about 916.1177469677.

The spelling of 768871723 in words is "seven hundred sixty-eight million, eight hundred seventy-one thousand, seven hundred twenty-three".