12434423111 has 8 divisors (see below), whose sum is σ = 13566960000. Its totient is φ = 11302242040.

The previous prime is 12434423107. The next prime is 12434423171. The reversal of 12434423111 is 11132443421.

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

It is a cyclic number.

It is not a de Polignac number, because 12434423111 - 2² = 12434423107 is a prime.

It is a super-2 number, since 2×12434423111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434423171) 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, 13061 + ... + 158238.

It is an arithmetic number, because the mean of its divisors is an integer number (1695870000).

Almost surely, 2^12434423111 is an apocalyptic number.

12434423111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12434423111 is a deficient number, since it is larger than the sum of its proper divisors (1132536889).

12434423111 is a wasteful number, since it uses less digits than its factorization.

12434423111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177909.

The product of its digits is 2304, while the sum is 26.

Adding to 12434423111 its reverse (11132443421), we get a palindrome (23566866532).

The spelling of 12434423111 in words is "twelve billion, four hundred thirty-four million, four hundred twenty-three thousand, one hundred eleven".