343023869 has 2 divisors, whose sum is σ = 343023870. Its totient is φ = 343023868.

The previous prime is 343023839. The next prime is 343023937. The reversal of 343023869 is 968320343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291111844 + 51912025 = 17062^2 + 7205^2 .

It is an emirp because it is prime and its reverse (968320343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343023869 - 2⁸ = 343023613 is a prime.

It is a super-2 number, since 2×343023869² = 235330749407458322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18448661 and since 343023869 and 18448661 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343023839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171511934 + 171511935.

It is an arithmetic number, because the mean of its divisors is an integer number (171511935).

Almost surely, 2^343023869 is an apocalyptic number.

It is an amenable number.

343023869 is a deficient number, since it is larger than the sum of its proper divisors (1).

343023869 is an equidigital number, since it uses as much as digits as its factorization.

343023869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 343023869 is about 18520.9035686707. The cubic root of 343023869 is about 700.0162370383.

The spelling of 343023869 in words is "three hundred forty-three million, twenty-three thousand, eight hundred sixty-nine".