340323156506 has 8 divisors (see below), whose sum is σ = 510525136800. Its totient is φ = 170148110908.

The previous prime is 340323156497. The next prime is 340323156533. The reversal of 340323156506 is 605651323043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340323156506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702056 + ... + 6752643.

It is an arithmetic number, because the mean of its divisors is an integer number (63815642100).

Almost surely, 2^340323156506 is an apocalyptic number.

340323156506 is a deficient number, since it is larger than the sum of its proper divisors (170201980294).

340323156506 is a wasteful number, since it uses less digits than its factorization.

340323156506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467348.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 340323156506 its reverse (605651323043), we get a palindrome (945974479549).

The spelling of 340323156506 in words is "three hundred forty billion, three hundred twenty-three million, one hundred fifty-six thousand, five hundred six".