430223421 has 16 divisors (see below), whose sum is σ = 580498688. Its totient is φ = 283392000.

The previous prime is 430223413. The next prime is 430223447. The reversal of 430223421 is 124322034.

It is not a de Polignac number, because 430223421 - 2³ = 430223413 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 (430223021) 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, 348876 + ... + 350106.

It is an arithmetic number, because the mean of its divisors is an integer number (36281168).

Almost surely, 2^430223421 is an apocalyptic number.

It is an amenable number.

430223421 is a deficient number, since it is larger than the sum of its proper divisors (150275267).

430223421 is a wasteful number, since it uses less digits than its factorization.

430223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 430223421 is about 20741.8278124181. The cubic root of 430223421 is about 754.9149333277.

Adding to 430223421 its reverse (124322034), we get a palindrome (554545455).

The spelling of 430223421 in words is "four hundred thirty million, two hundred twenty-three thousand, four hundred twenty-one".