340051343 has 4 divisors (see below), whose sum is σ = 354836208. Its totient is φ = 325266480.

The previous prime is 340051321. The next prime is 340051363. The reversal of 340051343 is 343150043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343150043 = 12841 ⋅26723.

It is a cyclic number.

It is not a de Polignac number, because 340051343 - 2¹² = 340047247 is a prime.

It is a super-2 number, since 2×340051343² = 231269831752207298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 14784841 = 340051343 / (3 + 4 + 0 + 0 + 5 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340051363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7392398 + ... + 7392443.

It is an arithmetic number, because the mean of its divisors is an integer number (88709052).

Almost surely, 2^340051343 is an apocalyptic number.

340051343 is a deficient number, since it is larger than the sum of its proper divisors (14784865).

340051343 is a wasteful number, since it uses less digits than its factorization.

340051343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784864.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 340051343 is about 18440.4810945919. The cubic root of 340051343 is about 697.9883352867.

The spelling of 340051343 in words is "three hundred forty million, fifty-one thousand, three hundred forty-three".