423120441 has 4 divisors (see below), whose sum is σ = 564160592. Its totient is φ = 282080292.

The previous prime is 423120427. The next prime is 423120487. The reversal of 423120441 is 144021324.

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 not a de Polignac number, because 423120441 - 2⁵ = 423120409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423120541) 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, 70520071 + ... + 70520076.

It is an arithmetic number, because the mean of its divisors is an integer number (141040148).

Almost surely, 2^423120441 is an apocalyptic number.

It is an amenable number.

423120441 is a deficient number, since it is larger than the sum of its proper divisors (141040151).

423120441 is a wasteful number, since it uses less digits than its factorization.

423120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141040150.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 423120441 is about 20569.8916137154. The cubic root of 423120441 is about 750.7373140309.

Adding to 423120441 its reverse (144021324), we get a palindrome (567141765).

The spelling of 423120441 in words is "four hundred twenty-three million, one hundred twenty thousand, four hundred forty-one".