423423311 has 4 divisors (see below), whose sum is σ = 423508800. Its totient is φ = 423337824.

The previous prime is 423423293. The next prime is 423423349. The reversal of 423423311 is 113324324.

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

It is a cyclic number.

It is not a de Polignac number, because 423423311 - 2¹⁰ = 423422287 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 (423623311) 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, 34826 + ... + 45383.

It is an arithmetic number, because the mean of its divisors is an integer number (105877200).

Almost surely, 2^423423311 is an apocalyptic number.

423423311 is a deficient number, since it is larger than the sum of its proper divisors (85489).

423423311 is an equidigital number, since it uses as much as digits as its factorization.

423423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85488.

The product of its digits is 1728, while the sum is 23.

The square root of 423423311 is about 20577.2522704077. The cubic root of 423423311 is about 750.9163974612.

Adding to 423423311 its reverse (113324324), we get a palindrome (536747635).

The spelling of 423423311 in words is "four hundred twenty-three million, four hundred twenty-three thousand, three hundred eleven".