679394323 has 2 divisors, whose sum is σ = 679394324. Its totient is φ = 679394322.

The previous prime is 679394279. The next prime is 679394347. The reversal of 679394323 is 323493976.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679394323 is a prime.

It is a super-2 number, since 2×679394323² = 923153292249256658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679394363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339697161 + 339697162.

It is an arithmetic number, because the mean of its divisors is an integer number (339697162).

Almost surely, 2^679394323 is an apocalyptic number.

679394323 is a deficient number, since it is larger than the sum of its proper divisors (1).

679394323 is an equidigital number, since it uses as much as digits as its factorization.

679394323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 46.

The square root of 679394323 is about 26065.1937073178. The cubic root of 679394323 is about 879.1047727002.

The spelling of 679394323 in words is "six hundred seventy-nine million, three hundred ninety-four thousand, three hundred twenty-three".