404023311033401 has 4 divisors (see below), whose sum is σ = 404203759142400. Its totient is φ = 403842862924404.

The previous prime is 404023311033371. The next prime is 404023311033499. The reversal of 404023311033401 is 104330113320404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404023311033401 - 2¹⁸ = 404023310771257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404023311035401) 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, 90224051141 + ... + 90224055618.

It is an arithmetic number, because the mean of its divisors is an integer number (101050939785600).

Almost surely, 2^{404023311033401} is an apocalyptic number.

It is an amenable number.

404023311033401 is a deficient number, since it is larger than the sum of its proper divisors (180448108999).

404023311033401 is a wasteful number, since it uses less digits than its factorization.

404023311033401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180448108998.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 404023311033401 its reverse (104330113320404), we get a palindrome (508353424353805).

The spelling of 404023311033401 in words is "four hundred four trillion, twenty-three billion, three hundred eleven million, thirty-three thousand, four hundred one".