421110433223 has 4 divisors (see below), whose sum is σ = 421215009000. Its totient is φ = 421005857448.

The previous prime is 421110433207. The next prime is 421110433231. The reversal of 421110433223 is 322334011124.

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 421110433223 - 2⁴ = 421110433207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421110433192 and 421110433201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421110433243) 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, 52281848 + ... + 52289901.

It is an arithmetic number, because the mean of its divisors is an integer number (105303752250).

Almost surely, 2^421110433223 is an apocalyptic number.

421110433223 is a deficient number, since it is larger than the sum of its proper divisors (104575777).

421110433223 is a wasteful number, since it uses less digits than its factorization.

421110433223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104575776.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 421110433223 its reverse (322334011124), we get a palindrome (743444444347).

The spelling of 421110433223 in words is "four hundred twenty-one billion, one hundred ten million, four hundred thirty-three thousand, two hundred twenty-three".