221123314423 has 8 divisors (see below), whose sum is σ = 246835328256. Its totient is φ = 196346283000.

The previous prime is 221123314417. The next prime is 221123314453. The reversal of 221123314423 is 324413321122.

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 221123314423 - 2²⁵ = 221089759991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221123314391 and 221123314400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123314403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233745103 + ... + 233746048.

It is an arithmetic number, because the mean of its divisors is an integer number (30854416032).

Almost surely, 2^221123314423 is an apocalyptic number.

221123314423 is a deficient number, since it is larger than the sum of its proper divisors (25712013833).

221123314423 is a wasteful number, since it uses less digits than its factorization.

221123314423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467491205.

The product of its digits is 6912, while the sum is 28.

Adding to 221123314423 its reverse (324413321122), we get a palindrome (545536635545).

The spelling of 221123314423 in words is "two hundred twenty-one billion, one hundred twenty-three million, three hundred fourteen thousand, four hundred twenty-three".