404413423343243 has 4 divisors (see below), whose sum is σ = 410449444587240. Its totient is φ = 398377402099248.

The previous prime is 404413423343221. The next prime is 404413423343249. The reversal of 404413423343243 is 342343324314404.

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 404413423343243 - 2¹⁰ = 404413423342219 is a prime.

It is a super-3 number, since 3×404413423343243³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404413423343194 and 404413423343203.

It is not an unprimeable number, because it can be changed into a prime (404413423343249) 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, 3018010621898 + ... + 3018010622031.

It is an arithmetic number, because the mean of its divisors is an integer number (102612361146810).

Almost surely, 2^{404413423343243} is an apocalyptic number.

404413423343243 is a deficient number, since it is larger than the sum of its proper divisors (6036021243997).

404413423343243 is an equidigital number, since it uses as much as digits as its factorization.

404413423343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036021243996.

The product of its (nonzero) digits is 3981312, while the sum is 44.

Adding to 404413423343243 its reverse (342343324314404), we get a palindrome (746756747657647).

The spelling of 404413423343243 in words is "four hundred four trillion, four hundred thirteen billion, four hundred twenty-three million, three hundred forty-three thousand, two hundred forty-three".