340737343 has 2 divisors, whose sum is σ = 340737344. Its totient is φ = 340737342.

The previous prime is 340737323. The next prime is 340737367. The reversal of 340737343 is 343737043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340737343 is a prime.

It is a super-2 number, since 2×340737343² = 232203873829399298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340737299 and 340737308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340737323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170368671 + 170368672.

It is an arithmetic number, because the mean of its divisors is an integer number (170368672).

Almost surely, 2^340737343 is an apocalyptic number.

340737343 is a deficient number, since it is larger than the sum of its proper divisors (1).

340737343 is an equidigital number, since it uses as much as digits as its factorization.

340737343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 34.

The square root of 340737343 is about 18459.0721056070. The cubic root of 340737343 is about 698.4573805127.

The spelling of 340737343 in words is "three hundred forty million, seven hundred thirty-seven thousand, three hundred forty-three".