340337823 has 64 divisors (see below), whose sum is σ = 574464000. Its totient is φ = 174835584.

The previous prime is 340337801. The next prime is 340337863. The reversal of 340337823 is 328733043.

It is not a de Polignac number, because 340337823 - 2¹⁸ = 340075679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340337863) 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 63 ways as a sum of consecutive naturals, for example, 775038 + ... + 775476.

It is an arithmetic number, because the mean of its divisors is an integer number (8976000).

Almost surely, 2^340337823 is an apocalyptic number.

340337823 is a deficient number, since it is larger than the sum of its proper divisors (234126177).

340337823 is a wasteful number, since it uses less digits than its factorization.

340337823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 340337823 is about 18448.2471525075. The cubic root of 340337823 is about 698.1842895898.

The spelling of 340337823 in words is "three hundred forty million, three hundred thirty-seven thousand, eight hundred twenty-three".