404423223433203 has 16 divisors (see below), whose sum is σ = 593065807197696. Its totient is φ = 243580599382560.

The previous prime is 404423223433189. The next prime is 404423223433213. The reversal of 404423223433203 is 302334322324404.

It is not a de Polignac number, because 404423223433203 - 2⁸ = 404423223432947 is a prime.

It is a super-2 number, since 2×404423223433203² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (404423223433213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110317298613 + ... + 110317302278.

It is an arithmetic number, because the mean of its divisors is an integer number (37066612949856).

Almost surely, 2^{404423223433203} is an apocalyptic number.

404423223433203 is a deficient number, since it is larger than the sum of its proper divisors (188642583764493).

404423223433203 is a wasteful number, since it uses less digits than its factorization.

404423223433203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220634600954.

The product of its (nonzero) digits is 995328, while the sum is 39.

Adding to 404423223433203 its reverse (302334322324404), we get a palindrome (706757545757607).

The spelling of 404423223433203 in words is "four hundred four trillion, four hundred twenty-three billion, two hundred twenty-three million, four hundred thirty-three thousand, two hundred three".