340142343 has 8 divisors (see below), whose sum is σ = 453686256. Its totient is φ = 226680000.

The previous prime is 340142333. The next prime is 340142347. The reversal of 340142343 is 343241043.

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

It is not a de Polignac number, because 340142343 - 2⁵ = 340142311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340142347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9888 + ... + 27893.

It is an arithmetic number, because the mean of its divisors is an integer number (56710782).

Almost surely, 2^340142343 is an apocalyptic number.

340142343 is a deficient number, since it is larger than the sum of its proper divisors (113543913).

340142343 is a wasteful number, since it uses less digits than its factorization.

340142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40785.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 340142343 is about 18442.9483272063. The cubic root of 340142343 is about 698.0505918398.

Adding to 340142343 its reverse (343241043), we get a palindrome (683383386).

The spelling of 340142343 in words is "three hundred forty million, one hundred forty-two thousand, three hundred forty-three".