423211441 has 4 divisors (see below), whose sum is σ = 429008932. Its totient is φ = 417413952.

The previous prime is 423211433. The next prime is 423211489. The reversal of 423211441 is 144112324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95746225 + 327465216 = 9785^2 + 18096^2 .

It is a cyclic number.

It is not a de Polignac number, because 423211441 - 2³ = 423211433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423211421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898636 + ... + 2898781.

It is an arithmetic number, because the mean of its divisors is an integer number (107252233).

Almost surely, 2^423211441 is an apocalyptic number.

It is an amenable number.

423211441 is a deficient number, since it is larger than the sum of its proper divisors (5797491).

423211441 is an equidigital number, since it uses as much as digits as its factorization.

423211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797490.

The product of its digits is 768, while the sum is 22.

The square root of 423211441 is about 20572.1034656158. The cubic root of 423211441 is about 750.7911302276.

Adding to 423211441 its reverse (144112324), we get a palindrome (567323765).

The spelling of 423211441 in words is "four hundred twenty-three million, two hundred eleven thousand, four hundred forty-one".