420433424323 has 16 divisors (see below), whose sum is σ = 495099475200. Its totient is φ = 352987576480.

The previous prime is 420433424309. The next prime is 420433424339. The reversal of 420433424323 is 323424334024.

It is a de Polignac number, because none of the positive numbers 2^k-420433424323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420433424393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28644253 + ... + 28658926.

It is an arithmetic number, because the mean of its divisors is an integer number (30943717200).

Almost surely, 2^420433424323 is an apocalyptic number.

420433424323 is a deficient number, since it is larger than the sum of its proper divisors (74666050877).

420433424323 is a wasteful number, since it uses less digits than its factorization.

420433424323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57303242.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 420433424323 its reverse (323424334024), we get a palindrome (743857758347).

The spelling of 420433424323 in words is "four hundred twenty billion, four hundred thirty-three million, four hundred twenty-four thousand, three hundred twenty-three".