340544323 has 16 divisors (see below), whose sum is σ = 412577280. Its totient is φ = 274398336.

The previous prime is 340544311. The next prime is 340544333. The reversal of 340544323 is 323445043.

It is a cyclic number.

It is not a de Polignac number, because 340544323 - 2¹⁷ = 340413251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340544291 and 340544300.

It is not an unprimeable number, because it can be changed into a prime (340544333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180298 + ... + 182176.

It is an arithmetic number, because the mean of its divisors is an integer number (25786080).

Almost surely, 2^340544323 is an apocalyptic number.

340544323 is a deficient number, since it is larger than the sum of its proper divisors (72032957).

340544323 is a wasteful number, since it uses less digits than its factorization.

340544323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 340544323 is about 18453.8430414914. The cubic root of 340544323 is about 698.3254688304.

Adding to 340544323 its reverse (323445043), we get a palindrome (663989366).

The spelling of 340544323 in words is "three hundred forty million, five hundred forty-four thousand, three hundred twenty-three".