780323 has 2 divisors, whose sum is σ = 780324. Its totient is φ = 780322.

The previous prime is 780287. The next prime is 780343. The reversal of 780323 is 323087.

780323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (323087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 780323 - 2¹⁶ = 714787 is a prime.

It is not a weakly prime, because it can be changed into another prime (780343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390161 + 390162.

It is an arithmetic number, because the mean of its divisors is an integer number (390162).

2⁷⁸⁰³²³ is an apocalyptic number.

780323 is a deficient number, since it is larger than the sum of its proper divisors (1).

780323 is an equidigital number, since it uses as much as digits as its factorization.

780323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 780323 is about 883.3589304467. The cubic root of 780323 is about 92.0643453452.

The spelling of 780323 in words is "seven hundred eighty thousand, three hundred twenty-three".