404221031123 has 8 divisors (see below), whose sum is σ = 497502807648. Its totient is φ = 319823233344.

The previous prime is 404221031119. The next prime is 404221031161. The reversal of 404221031123 is 321130122404.

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

It is a cyclic number.

It is not a de Polignac number, because 404221031123 - 2² = 404221031119 is a prime.

It is a super-2 number, since 2×404221031123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404221031113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220994586 + ... + 2220994767.

It is an arithmetic number, because the mean of its divisors is an integer number (62187850956).

Almost surely, 2^404221031123 is an apocalyptic number.

404221031123 is a deficient number, since it is larger than the sum of its proper divisors (93281776525).

404221031123 is a wasteful number, since it uses less digits than its factorization.

404221031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441989373.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 404221031123 its reverse (321130122404), we get a palindrome (725351153527).

The spelling of 404221031123 in words is "four hundred four billion, two hundred twenty-one million, thirty-one thousand, one hundred twenty-three".