768567823 has 2 divisors, whose sum is σ = 768567824. Its totient is φ = 768567822.

The previous prime is 768567809. The next prime is 768567847. The reversal of 768567823 is 328765867.

It is a weak prime.

It is an emirp because it is prime and its reverse (328765867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768567823 - 2⁵ = 768567791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768567223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384283911 + 384283912.

It is an arithmetic number, because the mean of its divisors is an integer number (384283912).

Almost surely, 2^768567823 is an apocalyptic number.

768567823 is a deficient number, since it is larger than the sum of its proper divisors (1).

768567823 is an equidigital number, since it uses as much as digits as its factorization.

768567823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The square root of 768567823 is about 27723.0558019855. The cubic root of 768567823 is about 915.9970311778.

The spelling of 768567823 in words is "seven hundred sixty-eight million, five hundred sixty-seven thousand, eight hundred twenty-three".