679223 has 2 divisors, whose sum is σ = 679224. Its totient is φ = 679222.

The previous prime is 679219. The next prime is 679229. The reversal of 679223 is 322976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679223 - 2² = 679219 is a prime.

It is a super-2 number, since 2×679223² = 922687767458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339611 + 339612.

It is an arithmetic number, because the mean of its divisors is an integer number (339612).

2⁶⁷⁹²²³ is an apocalyptic number.

679223 is a deficient number, since it is larger than the sum of its proper divisors (1).

679223 is an equidigital number, since it uses as much as digits as its factorization.

679223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 679223 is about 824.1498650124. The cubic root of 679223 is about 87.9030871814.

The spelling of 679223 in words is "six hundred seventy-nine thousand, two hundred twenty-three".