421411223 has 4 divisors (see below), whose sum is σ = 431211528. Its totient is φ = 411610920.

The previous prime is 421411183. The next prime is 421411271. The reversal of 421411223 is 322114124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421411223 - 2⁸ = 421410967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421411195 and 421411204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421411723) 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, 4900088 + ... + 4900173.

It is an arithmetic number, because the mean of its divisors is an integer number (107802882).

Almost surely, 2^421411223 is an apocalyptic number.

421411223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

421411223 is a deficient number, since it is larger than the sum of its proper divisors (9800305).

421411223 is an equidigital number, since it uses as much as digits as its factorization.

421411223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800304.

The product of its digits is 384, while the sum is 20.

The square root of 421411223 is about 20528.3029741866. The cubic root of 421411223 is about 749.7250684143.

Adding to 421411223 its reverse (322114124), we get a palindrome (743525347).

The spelling of 421411223 in words is "four hundred twenty-one million, four hundred eleven thousand, two hundred twenty-three".