340234019 has 2 divisors, whose sum is σ = 340234020. Its totient is φ = 340234018.

The previous prime is 340234001. The next prime is 340234043. The reversal of 340234019 is 910432043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340234019 - 2²⁴ = 323456803 is a prime.

It is a super-2 number, since 2×340234019² = 231518375369784722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340234049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170117009 + 170117010.

It is an arithmetic number, because the mean of its divisors is an integer number (170117010).

Almost surely, 2^340234019 is an apocalyptic number.

340234019 is a deficient number, since it is larger than the sum of its proper divisors (1).

340234019 is an equidigital number, since it uses as much as digits as its factorization.

340234019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 340234019 is about 18445.4335541347. The cubic root of 340234019 is about 698.1132996433.

The spelling of 340234019 in words is "three hundred forty million, two hundred thirty-four thousand, nineteen".