343143937 has 2 divisors, whose sum is σ = 343143938. Its totient is φ = 343143936.

The previous prime is 343143919. The next prime is 343143959. The reversal of 343143937 is 739341343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290668401 + 52475536 = 17049^2 + 7244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343143937 is a prime.

It is a super-2 number, since 2×343143937² = 235495522999719938, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 343143896 and 343143905.

It is not a weakly prime, because it can be changed into another prime (343143037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171571968 + 171571969.

It is an arithmetic number, because the mean of its divisors is an integer number (171571969).

Almost surely, 2^343143937 is an apocalyptic number.

It is an amenable number.

343143937 is a deficient number, since it is larger than the sum of its proper divisors (1).

343143937 is an equidigital number, since it uses as much as digits as its factorization.

343143937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 37.

The square root of 343143937 is about 18524.1447036024. The cubic root of 343143937 is about 700.0979026331.

The spelling of 343143937 in words is "three hundred forty-three million, one hundred forty-three thousand, nine hundred thirty-seven".