780223 has 2 divisors, whose sum is σ = 780224. Its totient is φ = 780222.

The previous prime is 780211. The next prime is 780233. The reversal of 780223 is 322087.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 780223 - 2⁵ = 780191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 780194 and 780203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (780233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390111 + 390112.

It is an arithmetic number, because the mean of its divisors is an integer number (390112).

2⁷⁸⁰²²³ is an apocalyptic number.

780223 is a deficient number, since it is larger than the sum of its proper divisors (1).

780223 is an equidigital number, since it uses as much as digits as its factorization.

780223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 780223 is about 883.3023264998. The cubic root of 780223 is about 92.0604124320.

The spelling of 780223 in words is "seven hundred eighty thousand, two hundred twenty-three".