420430233 has 16 divisors (see below), whose sum is σ = 592200000. Its totient is φ = 264579840.

The previous prime is 420430211. The next prime is 420430249. The reversal of 420430233 is 332034024.

It is not a de Polignac number, because 420430233 - 2⁵ = 420430201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420430253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2893 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (37012500).

Almost surely, 2^420430233 is an apocalyptic number.

It is an amenable number.

420430233 is a deficient number, since it is larger than the sum of its proper divisors (171769767).

420430233 is a wasteful number, since it uses less digits than its factorization.

420430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26552.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 420430233 is about 20504.3954556090. The cubic root of 420430233 is about 749.1428625715.

Adding to 420430233 its reverse (332034024), we get a palindrome (752464257).

The spelling of 420430233 in words is "four hundred twenty million, four hundred thirty thousand, two hundred thirty-three".