340312043 has 8 divisors (see below), whose sum is σ = 343963536. Its totient is φ = 336672000.

The previous prime is 340312033. The next prime is 340312073. The reversal of 340312043 is 340213043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340312043 - 2¹⁶ = 340246507 is a prime.

It is a super-2 number, since 2×340312043² = 231624573221667698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340312033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65408 + ... + 70418.

It is an arithmetic number, because the mean of its divisors is an integer number (42995442).

Almost surely, 2^340312043 is an apocalyptic number.

340312043 is a deficient number, since it is larger than the sum of its proper divisors (3651493).

340312043 is a wasteful number, since it uses less digits than its factorization.

340312043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 340312043 is about 18447.5484279077. The cubic root of 340312043 is about 698.1666603949.

Adding to 340312043 its reverse (340213043), we get a palindrome (680525086).

The spelling of 340312043 in words is "three hundred forty million, three hundred twelve thousand, forty-three".