424020323 has 4 divisors (see below), whose sum is σ = 433042080. Its totient is φ = 414998568.

The previous prime is 424020313. The next prime is 424020353. The reversal of 424020323 is 323020424.

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 424020323 - 2⁸ = 424020067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424020295 and 424020304.

It is not an unprimeable number, because it can be changed into a prime (424020313) 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, 4510808 + ... + 4510901.

It is an arithmetic number, because the mean of its divisors is an integer number (108260520).

Almost surely, 2^424020323 is an apocalyptic number.

424020323 is a deficient number, since it is larger than the sum of its proper divisors (9021757).

424020323 is an equidigital number, since it uses as much as digits as its factorization.

424020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021756.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 424020323 is about 20591.7537621253. The cubic root of 424020323 is about 751.2691536391.

Adding to 424020323 its reverse (323020424), we get a palindrome (747040747).

The spelling of 424020323 in words is "four hundred twenty-four million, twenty thousand, three hundred twenty-three".