423522111 has 8 divisors (see below), whose sum is σ = 564791344. Its totient is φ = 282300480.

The previous prime is 423522109. The next prime is 423522137. The reversal of 423522111 is 111225324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423522111 - 2¹ = 423522109 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 (423522181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27501 + ... + 40041.

It is an arithmetic number, because the mean of its divisors is an integer number (70598918).

Almost surely, 2^423522111 is an apocalyptic number.

423522111 is a deficient number, since it is larger than the sum of its proper divisors (141269233).

423522111 is a wasteful number, since it uses less digits than its factorization.

423522111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23801.

The product of its digits is 480, while the sum is 21.

The square root of 423522111 is about 20579.6528396375. The cubic root of 423522111 is about 750.9747982534.

Adding to 423522111 its reverse (111225324), we get a palindrome (534747435).

The spelling of 423522111 in words is "four hundred twenty-three million, five hundred twenty-two thousand, one hundred eleven".