421344123305 has 32 divisors (see below), whose sum is σ = 580160655360. Its totient is φ = 287764528320.

The previous prime is 421344123289. The next prime is 421344123313. The reversal of 421344123305 is 503321443124.

It is not a de Polignac number, because 421344123305 - 2⁴ = 421344123289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14342642 + ... + 14371988.

It is an arithmetic number, because the mean of its divisors is an integer number (18130020480).

Almost surely, 2^421344123305 is an apocalyptic number.

It is an amenable number.

421344123305 is a deficient number, since it is larger than the sum of its proper divisors (158816532055).

421344123305 is a wasteful number, since it uses less digits than its factorization.

421344123305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30989.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 421344123305 its reverse (503321443124), we get a palindrome (924665566429).

The spelling of 421344123305 in words is "four hundred twenty-one billion, three hundred forty-four million, one hundred twenty-three thousand, three hundred five".