340423311 has 8 divisors (see below), whose sum is σ = 456274944. Its totient is φ = 225760280.

The previous prime is 340423271. The next prime is 340423313. The reversal of 340423311 is 113324043.

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 340423311 - 2⁹ = 340422799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340423313) 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, 296481 + ... + 297626.

It is an arithmetic number, because the mean of its divisors is an integer number (57034368).

Almost surely, 2^340423311 is an apocalyptic number.

340423311 is a deficient number, since it is larger than the sum of its proper divisors (115851633).

340423311 is a wasteful number, since it uses less digits than its factorization.

340423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594301.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 340423311 is about 18450.5639751201. The cubic root of 340423311 is about 698.2427426696.

Adding to 340423311 its reverse (113324043), we get a palindrome (453747354).

The spelling of 340423311 in words is "three hundred forty million, four hundred twenty-three thousand, three hundred eleven".