404023434403 has 8 divisors (see below), whose sum is σ = 417182439296. Its totient is φ = 390872304000.

The previous prime is 404023434401. The next prime is 404023434433. The reversal of 404023434403 is 304434320404.

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

It is not a de Polignac number, because 404023434403 - 2¹ = 404023434401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404023434401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864248 + ... + 2069653.

It is an arithmetic number, because the mean of its divisors is an integer number (52147804912).

Almost surely, 2^404023434403 is an apocalyptic number.

404023434403 is a deficient number, since it is larger than the sum of its proper divisors (13159004893).

404023434403 is a wasteful number, since it uses less digits than its factorization.

404023434403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937245.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 404023434403 its reverse (304434320404), we get a palindrome (708457754807).

The spelling of 404023434403 in words is "four hundred four billion, twenty-three million, four hundred thirty-four thousand, four hundred three".