340030423 has 8 divisors (see below), whose sum is σ = 356576400. Its totient is φ = 323805888.

The previous prime is 340030399. The next prime is 340030429. The reversal of 340030423 is 324030043.

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 340030423 - 2⁵ = 340030391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340030423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340030429) 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, 78193 + ... + 82426.

It is an arithmetic number, because the mean of its divisors is an integer number (44572050).

Almost surely, 2^340030423 is an apocalyptic number.

340030423 is a deficient number, since it is larger than the sum of its proper divisors (16545977).

340030423 is a wasteful number, since it uses less digits than its factorization.

340030423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160721.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 340030423 is about 18439.9138555472. The cubic root of 340030423 is about 697.9740215507.

Adding to 340030423 its reverse (324030043), we get a palindrome (664060466).

The spelling of 340030423 in words is "three hundred forty million, thirty thousand, four hundred twenty-three".