404213242120423 has 8 divisors (see below), whose sum is σ = 408261391927920. Its totient is φ = 400165995028800.

The previous prime is 404213242120409. The next prime is 404213242120447. The reversal of 404213242120423 is 324021242312404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404213242120423 - 2¹⁷ = 404213241989351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404213242120403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224778918 + ... + 226570051.

It is an arithmetic number, because the mean of its divisors is an integer number (51032673990990).

Almost surely, 2^{404213242120423} is an apocalyptic number.

404213242120423 is a deficient number, since it is larger than the sum of its proper divisors (4048149807497).

404213242120423 is a wasteful number, since it uses less digits than its factorization.

404213242120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451357937.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 404213242120423 its reverse (324021242312404), we get a palindrome (728234484432827).

The spelling of 404213242120423 in words is "four hundred four trillion, two hundred thirteen billion, two hundred forty-two million, one hundred twenty thousand, four hundred twenty-three".