423443201 has 2 divisors, whose sum is σ = 423443202. Its totient is φ = 423443200.

The previous prime is 423443183. The next prime is 423443233. The reversal of 423443201 is 102344324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231648400 + 191794801 = 15220^2 + 13849^2 .

It is a cyclic number.

It is not a de Polignac number, because 423443201 - 2¹⁰ = 423442177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423443261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721600 + 211721601.

It is an arithmetic number, because the mean of its divisors is an integer number (211721601).

Almost surely, 2^423443201 is an apocalyptic number.

It is an amenable number.

423443201 is a deficient number, since it is larger than the sum of its proper divisors (1).

423443201 is an equidigital number, since it uses as much as digits as its factorization.

423443201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 423443201 is about 20577.7355654115. The cubic root of 423443201 is about 750.9281551931.

Adding to 423443201 its reverse (102344324), we get a palindrome (525787525).

The spelling of 423443201 in words is "four hundred twenty-three million, four hundred forty-three thousand, two hundred one".