420123221103 has 8 divisors (see below), whose sum is σ = 567254982400. Its totient is φ = 276536803608.

The previous prime is 420123221083. The next prime is 420123221107. The reversal of 420123221103 is 301122321024.

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

It is not a de Polignac number, because 420123221103 - 2³⁰ = 419049479279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420123221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420123221107) 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, 886335673 + ... + 886336146.

It is an arithmetic number, because the mean of its divisors is an integer number (70906872800).

Almost surely, 2^420123221103 is an apocalyptic number.

420123221103 is a deficient number, since it is larger than the sum of its proper divisors (147131761297).

420123221103 is a wasteful number, since it uses less digits than its factorization.

420123221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772671901.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 420123221103 its reverse (301122321024), we get a palindrome (721245542127).

The spelling of 420123221103 in words is "four hundred twenty billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred three".