334023409 has 2 divisors, whose sum is σ = 334023410. Its totient is φ = 334023408.

The previous prime is 334023397. The next prime is 334023427. The reversal of 334023409 is 904320433.

334023409 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306145009 + 27878400 = 17497^2 + 5280^2 .

It is an emirp because it is prime and its reverse (904320433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334023409 - 2⁵ = 334023377 is a prime.

It is a super-2 number, since 2×334023409² = 223143275519962562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334023499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167011704 + 167011705.

It is an arithmetic number, because the mean of its divisors is an integer number (167011705).

Almost surely, 2^334023409 is an apocalyptic number.

It is an amenable number.

334023409 is a deficient number, since it is larger than the sum of its proper divisors (1).

334023409 is an equidigital number, since it uses as much as digits as its factorization.

334023409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 334023409 is about 18276.3073130214. The cubic root of 334023409 is about 693.8394162918.

The spelling of 334023409 in words is "three hundred thirty-four million, twenty-three thousand, four hundred nine".