340665001343 has 4 divisors (see below), whose sum is σ = 340666343520. Its totient is φ = 340663659168.

The previous prime is 340665001277. The next prime is 340665001357. The reversal of 340665001343 is 343100566043.

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 340665001343 - 2²⁰ = 340663952767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340665001373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161258 + ... + 841031.

It is an arithmetic number, because the mean of its divisors is an integer number (85166585880).

Almost surely, 2^340665001343 is an apocalyptic number.

340665001343 is a deficient number, since it is larger than the sum of its proper divisors (1342177).

340665001343 is a wasteful number, since it uses less digits than its factorization.

340665001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342176.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 340665001343 its reverse (343100566043), we get a palindrome (683765567386).

The spelling of 340665001343 in words is "three hundred forty billion, six hundred sixty-five million, one thousand, three hundred forty-three".