430405223 has 2 divisors, whose sum is σ = 430405224. Its totient is φ = 430405222.

The previous prime is 430405207. The next prime is 430405229. The reversal of 430405223 is 322504034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 430405223 - 2⁴ = 430405207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430405229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215202611 + 215202612.

It is an arithmetic number, because the mean of its divisors is an integer number (215202612).

Almost surely, 2^430405223 is an apocalyptic number.

430405223 is a deficient number, since it is larger than the sum of its proper divisors (1).

430405223 is an equidigital number, since it uses as much as digits as its factorization.

430405223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 430405223 is about 20746.2098466202. The cubic root of 430405223 is about 755.0212546097.

Adding to 430405223 its reverse (322504034), we get a palindrome (752909257).

The spelling of 430405223 in words is "four hundred thirty million, four hundred five thousand, two hundred twenty-three".