340583203 has 2 divisors, whose sum is σ = 340583204. Its totient is φ = 340583202.

The previous prime is 340583137. The next prime is 340583207. The reversal of 340583203 is 302385043.

It is a strong prime.

It is an emirp because it is prime and its reverse (302385043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340583203 - 2⁹ = 340582691 is a prime.

It is equal to p_18324415 and since 340583203 and 18324415 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (340583207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170291601 + 170291602.

It is an arithmetic number, because the mean of its divisors is an integer number (170291602).

Almost surely, 2^340583203 is an apocalyptic number.

340583203 is a deficient number, since it is larger than the sum of its proper divisors (1).

340583203 is an equidigital number, since it uses as much as digits as its factorization.

340583203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 340583203 is about 18454.8964505358. The cubic root of 340583203 is about 698.3520437960.

The spelling of 340583203 in words is "three hundred forty million, five hundred eighty-three thousand, two hundred three".