423040111 has 16 divisors (see below), whose sum is σ = 482658400. Its totient is φ = 367555968.

The previous prime is 423040109. The next prime is 423040133. The reversal of 423040111 is 111040324.

It is not a de Polignac number, because 423040111 - 2¹ = 423040109 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 (423040141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33325 + ... + 44233.

It is an arithmetic number, because the mean of its divisors is an integer number (30166150).

Almost surely, 2^423040111 is an apocalyptic number.

423040111 is a deficient number, since it is larger than the sum of its proper divisors (59618289).

423040111 is a wasteful number, since it uses less digits than its factorization.

423040111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 423040111 is about 20567.9389098665. The cubic root of 423040111 is about 750.6898015188.

Adding to 423040111 its reverse (111040324), we get a palindrome (534080435).

The spelling of 423040111 in words is "four hundred twenty-three million, forty thousand, one hundred eleven".