421104343 has 4 divisors (see below), whose sum is σ = 459386568. Its totient is φ = 382822120.

The previous prime is 421104329. The next prime is 421104367. The reversal of 421104343 is 343401124.

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 421104343 - 2⁵ = 421104311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421104373) 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, 19141096 + ... + 19141117.

It is an arithmetic number, because the mean of its divisors is an integer number (114846642).

Almost surely, 2^421104343 is an apocalyptic number.

421104343 is a deficient number, since it is larger than the sum of its proper divisors (38282225).

421104343 is a wasteful number, since it uses less digits than its factorization.

421104343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38282224.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 421104343 is about 20520.8270544830. The cubic root of 421104343 is about 749.5430360055.

Adding to 421104343 its reverse (343401124), we get a palindrome (764505467).

The spelling of 421104343 in words is "four hundred twenty-one million, one hundred four thousand, three hundred forty-three".