421341423 has 8 divisors (see below), whose sum is σ = 566212608. Its totient is φ = 278682264.

The previous prime is 421341421. The next prime is 421341499. The reversal of 421341423 is 324143124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421341423 - 2¹ = 421341421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421341393 and 421341402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421341421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552561 + ... + 553322.

It is an arithmetic number, because the mean of its divisors is an integer number (70776576).

Almost surely, 2^421341423 is an apocalyptic number.

421341423 is a deficient number, since it is larger than the sum of its proper divisors (144871185).

421341423 is a wasteful number, since it uses less digits than its factorization.

421341423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106013.

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

The square root of 421341423 is about 20526.6028119609. The cubic root of 421341423 is about 749.6836728238.

Adding to 421341423 its reverse (324143124), we get a palindrome (745484547).

The spelling of 421341423 in words is "four hundred twenty-one million, three hundred forty-one thousand, four hundred twenty-three".