340423523404 has 24 divisors (see below), whose sum is σ = 599361604128. Its totient is φ = 169177532160.

The previous prime is 340423523387. The next prime is 340423523449. The reversal of 340423523404 is 404325324043.

It is a self number, because there is not a number n which added to its sum of digits gives 340423523404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14578122 + ... + 14601454.

It is an arithmetic number, because the mean of its divisors is an integer number (24973400172).

Almost surely, 2^340423523404 is an apocalyptic number.

It is an amenable number.

340423523404 is a deficient number, since it is larger than the sum of its proper divisors (258938080724).

340423523404 is a wasteful number, since it uses less digits than its factorization.

340423523404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45345 (or 45343 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 340423523404 its reverse (404325324043), we get a palindrome (744748847447).

The spelling of 340423523404 in words is "three hundred forty billion, four hundred twenty-three million, five hundred twenty-three thousand, four hundred four".