768530823 has 4 divisors (see below), whose sum is σ = 1024707768. Its totient is φ = 512353880.

The previous prime is 768530821. The next prime is 768530831. The reversal of 768530823 is 328035867.

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 768530823 - 2¹ = 768530821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768530821) 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, 128088468 + ... + 128088473.

It is an arithmetic number, because the mean of its divisors is an integer number (256176942).

Almost surely, 2^768530823 is an apocalyptic number.

768530823 is a deficient number, since it is larger than the sum of its proper divisors (256176945).

768530823 is a wasteful number, since it uses less digits than its factorization.

768530823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256176944.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 768530823 is about 27722.3884793500. The cubic root of 768530823 is about 915.9823317880.

The spelling of 768530823 in words is "seven hundred sixty-eight million, five hundred thirty thousand, eight hundred twenty-three".