421313343 has 16 divisors (see below), whose sum is σ = 632589312. Its totient is φ = 247104000.

The previous prime is 421313341. The next prime is 421313351. The reversal of 421313343 is 343313124.

It is not a de Polignac number, because 421313343 - 2¹ = 421313341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421313341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204898 + ... + 206943.

It is an arithmetic number, because the mean of its divisors is an integer number (39536832).

Almost surely, 2^421313343 is an apocalyptic number.

421313343 is a deficient number, since it is larger than the sum of its proper divisors (211275969).

421313343 is a wasteful number, since it uses less digits than its factorization.

421313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411886.

The product of its digits is 2592, while the sum is 24.

The square root of 421313343 is about 20525.9188101288. The cubic root of 421313343 is about 749.6670184084.

Adding to 421313343 its reverse (343313124), we get a palindrome (764626467).

The spelling of 421313343 in words is "four hundred twenty-one million, three hundred thirteen thousand, three hundred forty-three".