340044323 has 4 divisors (see below), whose sum is σ = 340356528. Its totient is φ = 339732120.

The previous prime is 340044307. The next prime is 340044329. The reversal of 340044323 is 323440043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340044323 - 2⁴ = 340044307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340044329) 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 3 ways as a sum of consecutive naturals, for example, 154463 + ... + 156648.

It is an arithmetic number, because the mean of its divisors is an integer number (85089132).

Almost surely, 2^340044323 is an apocalyptic number.

340044323 is a deficient number, since it is larger than the sum of its proper divisors (312205).

340044323 is a wasteful number, since it uses less digits than its factorization.

340044323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312204.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 340044323 is about 18440.2907515039. The cubic root of 340044323 is about 697.9835321769.

Adding to 340044323 its reverse (323440043), we get a palindrome (663484366).

The spelling of 340044323 in words is "three hundred forty million, forty-four thousand, three hundred twenty-three".