424721343 has 8 divisors (see below), whose sum is σ = 566395648. Its totient is φ = 283097304.

The previous prime is 424721333. The next prime is 424721347. The reversal of 424721343 is 343127424.

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

It is not a de Polignac number, because 424721343 - 2¹³ = 424713151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424721343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424721347) 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, 17280 + ... + 33882.

It is an arithmetic number, because the mean of its divisors is an integer number (70799456).

Almost surely, 2^424721343 is an apocalyptic number.

424721343 is a deficient number, since it is larger than the sum of its proper divisors (141674305).

424721343 is a wasteful number, since it uses less digits than its factorization.

424721343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25133.

The product of its digits is 16128, while the sum is 30.

The square root of 424721343 is about 20608.7685949452. The cubic root of 424721343 is about 751.6829425589.

Adding to 424721343 its reverse (343127424), we get a palindrome (767848767).

The spelling of 424721343 in words is "four hundred twenty-four million, seven hundred twenty-one thousand, three hundred forty-three".