340330423 has 8 divisors (see below), whose sum is σ = 349488128. Its totient is φ = 331229304.

The previous prime is 340330421. The next prime is 340330433. The reversal of 340330423 is 324033043.

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 340330423 - 2¹ = 340330421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340330394 and 340330403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340330421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815 + ... + 26152.

It is an arithmetic number, because the mean of its divisors is an integer number (43686016).

Almost surely, 2^340330423 is an apocalyptic number.

340330423 is a deficient number, since it is larger than the sum of its proper divisors (9157705).

340330423 is a wasteful number, since it uses less digits than its factorization.

340330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28293.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 340330423 is about 18448.0465903575. The cubic root of 340330423 is about 698.1792293224.

Adding to 340330423 its reverse (324033043), we get a palindrome (664363466).

The spelling of 340330423 in words is "three hundred forty million, three hundred thirty thousand, four hundred twenty-three".