4123423134 has 48 divisors (see below), whose sum is σ = 9486968400. Its totient is φ = 1289882880.

The previous prime is 4123423043. The next prime is 4123423147. The reversal of 4123423134 is 4313243214.

4123423134 is a `hidden beast` number, since 4 + 1 + 2 + 342 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4123423098 and 4123423107.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 87489 + ... + 126099.

It is an arithmetic number, because the mean of its divisors is an integer number (197645175).

Almost surely, 2^4123423134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123423134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4743484200).

4123423134 is an abundant number, since it is smaller than the sum of its proper divisors (5363545266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123423134 is a wasteful number, since it uses less digits than its factorization.

4123423134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38985 (or 38982 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 4123423134 is about 64213.8858347632. The cubic root of 4123423134 is about 1603.5627813028.

Adding to 4123423134 its reverse (4313243214), we get a palindrome (8436666348).

The spelling of 4123423134 in words is "four billion, one hundred twenty-three million, four hundred twenty-three thousand, one hundred thirty-four".