404544012023 has 4 divisors (see below), whose sum is σ = 404548285848. Its totient is φ = 404539738200.

The previous prime is 404544011969. The next prime is 404544012029. The reversal of 404544012023 is 320210445404.

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 404544012023 - 2¹⁸ = 404543749879 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 (404544012029) 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, 1991636 + ... + 2185337.

It is an arithmetic number, because the mean of its divisors is an integer number (101137071462).

Almost surely, 2^404544012023 is an apocalyptic number.

404544012023 is a deficient number, since it is larger than the sum of its proper divisors (4273825).

404544012023 is an equidigital number, since it uses as much as digits as its factorization.

404544012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273824.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 404544012023 its reverse (320210445404), we get a palindrome (724754457427).

The spelling of 404544012023 in words is "four hundred four billion, five hundred forty-four million, twelve thousand, twenty-three".