421412343 has 32 divisors (see below), whose sum is σ = 647116800. Its totient is φ = 241250400.

The previous prime is 421412333. The next prime is 421412347. The reversal of 421412343 is 343214124.

It is not a de Polignac number, because 421412343 - 2⁸ = 421412087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421412347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274488 + ... + 276018.

It is an arithmetic number, because the mean of its divisors is an integer number (20222400).

Almost surely, 2^421412343 is an apocalyptic number.

421412343 is a deficient number, since it is larger than the sum of its proper divisors (225704457).

421412343 is a wasteful number, since it uses less digits than its factorization.

421412343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003.

The product of its digits is 2304, while the sum is 24.

The square root of 421412343 is about 20528.3302535788. The cubic root of 421412343 is about 749.7257326043.

Adding to 421412343 its reverse (343214124), we get a palindrome (764626467).

The spelling of 421412343 in words is "four hundred twenty-one million, four hundred twelve thousand, three hundred forty-three".