2112134423 has 4 divisors (see below), whose sum is σ = 2413867920. Its totient is φ = 1810400928.

The previous prime is 2112134399. The next prime is 2112134443. The reversal of 2112134423 is 3244312112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112134423 - 2⁶ = 2112134359 is a prime.

It is a super-2 number, since 2×2112134423² = 8922223641643085858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112134443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150866738 + ... + 150866751.

It is an arithmetic number, because the mean of its divisors is an integer number (603466980).

Almost surely, 2^2112134423 is an apocalyptic number.

2112134423 is a deficient number, since it is larger than the sum of its proper divisors (301733497).

2112134423 is an equidigital number, since it uses as much as digits as its factorization.

2112134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301733496.

The product of its digits is 1152, while the sum is 23.

The square root of 2112134423 is about 45957.9636515806. The cubic root of 2112134423 is about 1283.0409515211.

Adding to 2112134423 its reverse (3244312112), we get a palindrome (5356446535).

The spelling of 2112134423 in words is "two billion, one hundred twelve million, one hundred thirty-four thousand, four hundred twenty-three".