424420343 has 4 divisors (see below), whose sum is σ = 432428328. Its totient is φ = 416412360.

The previous prime is 424420331. The next prime is 424420361. The reversal of 424420343 is 343024424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424420343 - 2⁴ = 424420327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424422343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4003913 + ... + 4004018.

It is an arithmetic number, because the mean of its divisors is an integer number (108107082).

Almost surely, 2^424420343 is an apocalyptic number.

424420343 is a deficient number, since it is larger than the sum of its proper divisors (8007985).

424420343 is an equidigital number, since it uses as much as digits as its factorization.

424420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007984.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 424420343 is about 20601.4645838591. The cubic root of 424420343 is about 751.5053280360.

Adding to 424420343 its reverse (343024424), we get a palindrome (767444767).

The spelling of 424420343 in words is "four hundred twenty-four million, four hundred twenty thousand, three hundred forty-three".