768923 has 2 divisors, whose sum is σ = 768924. Its totient is φ = 768922.

The previous prime is 768881. The next prime is 768931. The reversal of 768923 is 329867.

768923 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is an emirp because it is prime and its reverse (329867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (768953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384461 + 384462.

It is an arithmetic number, because the mean of its divisors is an integer number (384462).

2⁷⁶⁸⁹²³ is an apocalyptic number.

768923 is a deficient number, since it is larger than the sum of its proper divisors (1).

768923 is an equidigital number, since it uses as much as digits as its factorization.

768923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 768923 is about 876.8825462968. The cubic root of 768923 is about 91.6138112188.

The spelling of 768923 in words is "seven hundred sixty-eight thousand, nine hundred twenty-three".