423631141 has 4 divisors (see below), whose sum is σ = 433483072. Its totient is φ = 413779212.

The previous prime is 423631123. The next prime is 423631171. The reversal of 423631141 is 141136324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423631141 - 2¹¹ = 423629093 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 (423631121) 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, 4925901 + ... + 4925986.

It is an arithmetic number, because the mean of its divisors is an integer number (108370768).

Almost surely, 2^423631141 is an apocalyptic number.

It is an amenable number.

423631141 is a deficient number, since it is larger than the sum of its proper divisors (9851931).

423631141 is an equidigital number, since it uses as much as digits as its factorization.

423631141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9851930.

The product of its digits is 1728, while the sum is 25.

The square root of 423631141 is about 20582.3016448598. The cubic root of 423631141 is about 751.0392354692.

Adding to 423631141 its reverse (141136324), we get a palindrome (564767465).

The spelling of 423631141 in words is "four hundred twenty-three million, six hundred thirty-one thousand, one hundred forty-one".