404322223123 has 32 divisors (see below), whose sum is σ = 511504108416. Its totient is φ = 311089379328.

The previous prime is 404322223091. The next prime is 404322223141. The reversal of 404322223123 is 321322223404.

It is not a de Polignac number, because 404322223123 - 2⁵ = 404322223091 is a prime.

It is a super-2 number, since 2×404322223123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404322223091 and 404322223100.

It is not an unprimeable number, because it can be changed into a prime (404322223153) 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 31 ways as a sum of consecutive naturals, for example, 174061 + ... + 915937.

It is an arithmetic number, because the mean of its divisors is an integer number (15984503388).

Almost surely, 2^404322223123 is an apocalyptic number.

404322223123 is a deficient number, since it is larger than the sum of its proper divisors (107181885293).

404322223123 is a wasteful number, since it uses less digits than its factorization.

404322223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742063.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 404322223123 its reverse (321322223404), we get a palindrome (725644446527).

The spelling of 404322223123 in words is "four hundred four billion, three hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-three".