340380423 has 12 divisors (see below), whose sum is σ = 491870808. Its totient is φ = 226823280.

The previous prime is 340380419. The next prime is 340380437. The reversal of 340380423 is 324083043.

It is not a de Polignac number, because 340380423 - 2² = 340380419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340380413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18868 + ... + 32198.

It is an arithmetic number, because the mean of its divisors is an integer number (40989234).

Almost surely, 2^340380423 is an apocalyptic number.

340380423 is a deficient number, since it is larger than the sum of its proper divisors (151490385).

340380423 is a wasteful number, since it uses less digits than its factorization.

340380423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16174 (or 16171 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 340380423 is about 18449.4016976161. The cubic root of 340380423 is about 698.2134188920.

The spelling of 340380423 in words is "three hundred forty million, three hundred eighty thousand, four hundred twenty-three".