423229 has 2 divisors, whose sum is σ = 423230. Its totient is φ = 423228.

The previous prime is 423221. The next prime is 423233. The reversal of 423229 is 922324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 729 = 650^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 423229 - 2³ = 423221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211614 + 211615.

It is an arithmetic number, because the mean of its divisors is an integer number (211615).

2⁴²³²²⁹ is an apocalyptic number.

It is an amenable number.

423229 is a deficient number, since it is larger than the sum of its proper divisors (1).

423229 is an equidigital number, since it uses as much as digits as its factorization.

423229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 423229 is about 650.5605275453. The cubic root of 423229 is about 75.0801513500.

The spelling of 423229 in words is "four hundred twenty-three thousand, two hundred twenty-nine".