340323979 has 2 divisors, whose sum is σ = 340323980. Its totient is φ = 340323978.

The previous prime is 340323959. The next prime is 340324007. The reversal of 340323979 is 979323043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340323979 - 2⁵ = 340323947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340323959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170161989 + 170161990.

It is an arithmetic number, because the mean of its divisors is an integer number (170161990).

Almost surely, 2^340323979 is an apocalyptic number.

340323979 is a deficient number, since it is larger than the sum of its proper divisors (1).

340323979 is an equidigital number, since it uses as much as digits as its factorization.

340323979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 340323979 is about 18447.8719368929. The cubic root of 340323979 is about 698.1748227271.

The spelling of 340323979 in words is "three hundred forty million, three hundred twenty-three thousand, nine hundred seventy-nine".