340422323 has 2 divisors, whose sum is σ = 340422324. Its totient is φ = 340422322.

The previous prime is 340422317. The next prime is 340422361. The reversal of 340422323 is 323224043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340422323 - 2¹⁶ = 340356787 is a prime.

It is not a weakly prime, because it can be changed into another prime (340427323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170211161 + 170211162.

It is an arithmetic number, because the mean of its divisors is an integer number (170211162).

Almost surely, 2^340422323 is an apocalyptic number.

340422323 is a deficient number, since it is larger than the sum of its proper divisors (1).

340422323 is an equidigital number, since it uses as much as digits as its factorization.

340422323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340422323 is about 18450.5372008514. The cubic root of 340422323 is about 698.2420671729.

Adding to 340422323 its reverse (323224043), we get a palindrome (663646366).

The spelling of 340422323 in words is "three hundred forty million, four hundred twenty-two thousand, three hundred twenty-three".