421103323 has 4 divisors (see below), whose sum is σ = 421145208. Its totient is φ = 421061440.

The previous prime is 421103317. The next prime is 421103363. The reversal of 421103323 is 323301124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 421103323 - 2⁹ = 421102811 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 421103323.

It is not an unprimeable number, because it can be changed into a prime (421103363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4203 + ... + 29323.

It is an arithmetic number, because the mean of its divisors is an integer number (105286302).

Almost surely, 2^421103323 is an apocalyptic number.

421103323 is a deficient number, since it is larger than the sum of its proper divisors (41885).

421103323 is a wasteful number, since it uses less digits than its factorization.

421103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41884.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 421103323 is about 20520.8022016684. The cubic root of 421103323 is about 749.5424308233.

Adding to 421103323 its reverse (323301124), we get a palindrome (744404447).

The spelling of 421103323 in words is "four hundred twenty-one million, one hundred three thousand, three hundred twenty-three".