404300144423 has 4 divisors (see below), whose sum is σ = 462057307920. Its totient is φ = 346542980928.

The previous prime is 404300144399. The next prime is 404300144459. The reversal of 404300144423 is 324441003404.

It is a happy number.

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 404300144423 - 2¹⁰ = 404300143399 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 (404300144923) 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, 28878581738 + ... + 28878581751.

It is an arithmetic number, because the mean of its divisors is an integer number (115514326980).

Almost surely, 2^404300144423 is an apocalyptic number.

404300144423 is a deficient number, since it is larger than the sum of its proper divisors (57757163497).

404300144423 is an equidigital number, since it uses as much as digits as its factorization.

404300144423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57757163496.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 404300144423 its reverse (324441003404), we get a palindrome (728741147827).

The spelling of 404300144423 in words is "four hundred four billion, three hundred million, one hundred forty-four thousand, four hundred twenty-three".