424342111 has 6 divisors (see below), whose sum is σ = 443594480. Its totient is φ = 405891948.

The previous prime is 424342099. The next prime is 424342129. The reversal of 424342111 is 111243424.

It is a happy number.

It is not a de Polignac number, because 424342111 - 2²⁷ = 290124383 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 (424342141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400551 + ... + 401608.

Almost surely, 2^424342111 is an apocalyptic number.

424342111 is a deficient number, since it is larger than the sum of its proper divisors (19252369).

424342111 is an equidigital number, since it uses as much as digits as its factorization.

424342111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802205 (or 802182 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 424342111 is about 20599.5657963948. The cubic root of 424342111 is about 751.4591510337.

Adding to 424342111 its reverse (111243424), we get a palindrome (535585535).

The spelling of 424342111 in words is "four hundred twenty-four million, three hundred forty-two thousand, one hundred eleven".