340344323 has 24 divisors (see below), whose sum is σ = 386908704. Its totient is φ = 298995840.

The previous prime is 340344311. The next prime is 340344331. The reversal of 340344323 is 323443043.

It is not a de Polignac number, because 340344323 - 2⁴ = 340344307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340344292 and 340344301.

It is not an unprimeable number, because it can be changed into a prime (340344373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467786 + ... + 468512.

It is an arithmetic number, because the mean of its divisors is an integer number (16121196).

Almost surely, 2^340344323 is an apocalyptic number.

340344323 is a deficient number, since it is larger than the sum of its proper divisors (46564381).

340344323 is a wasteful number, since it uses less digits than its factorization.

340344323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 340344323 is about 18448.4233201648. The cubic root of 340344323 is about 698.1887343588.

Adding to 340344323 its reverse (323443043), we get a palindrome (663787366).

The spelling of 340344323 in words is "three hundred forty million, three hundred forty-four thousand, three hundred twenty-three".