404223104230123 has 2 divisors, whose sum is σ = 404223104230124. Its totient is φ = 404223104230122.

The previous prime is 404223104230109. The next prime is 404223104230147. The reversal of 404223104230123 is 321032401322404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404223104230123 - 2⁵ = 404223104230091 is a prime.

It is not a weakly prime, because it can be changed into another prime (404223104230193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202111552115061 + 202111552115062.

It is an arithmetic number, because the mean of its divisors is an integer number (202111552115062).

Almost surely, 2^{404223104230123} is an apocalyptic number.

404223104230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

404223104230123 is an equidigital number, since it uses as much as digits as its factorization.

404223104230123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 404223104230123 its reverse (321032401322404), we get a palindrome (725255505552527).

The spelling of 404223104230123 in words is "four hundred four trillion, two hundred twenty-three billion, one hundred four million, two hundred thirty thousand, one hundred twenty-three".