423211141 has 4 divisors (see below), whose sum is σ = 448105932. Its totient is φ = 398316352.

The previous prime is 423211133. The next prime is 423211147. The reversal of 423211141 is 141112324.

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 177662241 + 245548900 = 13329^2 + 15670^2 .

It is a cyclic number.

It is not a de Polignac number, because 423211141 - 2³ = 423211133 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 (423211147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447370 + ... + 12447403.

It is an arithmetic number, because the mean of its divisors is an integer number (112026483).

Almost surely, 2^423211141 is an apocalyptic number.

It is an amenable number.

423211141 is a deficient number, since it is larger than the sum of its proper divisors (24894791).

423211141 is a wasteful number, since it uses less digits than its factorization.

423211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894790.

The product of its digits is 192, while the sum is 19.

The square root of 423211141 is about 20572.0961741870. The cubic root of 423211141 is about 750.7909528242.

Adding to 423211141 its reverse (141112324), we get a palindrome (564323465).

The spelling of 423211141 in words is "four hundred twenty-three million, two hundred eleven thousand, one hundred forty-one".