424434123123111 has 16 divisors (see below), whose sum is σ = 628948924984800. Its totient is φ = 282885147921024.

The previous prime is 424434123123089. The next prime is 424434123123173. The reversal of 424434123123111 is 111321321434424.

424434123123111 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 3 + 412 + 3 + 1 + 231 + 1 + 1 = 666.

It is not a de Polignac number, because 424434123123111 - 2³⁵ = 424399763384743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424434123123511) 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, 1970283666 + ... + 1970499071.

It is an arithmetic number, because the mean of its divisors is an integer number (39309307811550).

Almost surely, 2^{424434123123111} is an apocalyptic number.

424434123123111 is a deficient number, since it is larger than the sum of its proper divisors (204514801861689).

424434123123111 is a wasteful number, since it uses less digits than its factorization.

424434123123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940786735 (or 3940786729 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 424434123123111 its reverse (111321321434424), we get a palindrome (535755444557535).

The spelling of 424434123123111 in words is "four hundred twenty-four trillion, four hundred thirty-four billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred eleven".