404235103543423 has 4 divisors (see below), whose sum is σ = 404263385591128. Its totient is φ = 404206821495720.

The previous prime is 404235103543373. The next prime is 404235103543451. The reversal of 404235103543423 is 324345301532404.

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 404235103543423 - 2²¹ = 404235101446271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404235103543423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404235103543823) 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, 14141002413 + ... + 14141030998.

It is an arithmetic number, because the mean of its divisors is an integer number (101065846397782).

Almost surely, 2^{404235103543423} is an apocalyptic number.

404235103543423 is a deficient number, since it is larger than the sum of its proper divisors (28282047705).

404235103543423 is a wasteful number, since it uses less digits than its factorization.

404235103543423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28282047704.

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 404235103543423 in words is "four hundred four trillion, two hundred thirty-five billion, one hundred three million, five hundred forty-three thousand, four hundred twenty-three".