123443134 has 16 divisors (see below), whose sum is σ = 187829136. Its totient is φ = 60840000.

The previous prime is 123443129. The next prime is 123443143. The reversal of 123443134 is 431344321.

It is a junction number, because it is equal to n+sod(n) for n = 123443099 and 123443108.

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 7 ways as a sum of consecutive naturals, for example, 39634 + ... + 42634.

It is an arithmetic number, because the mean of its divisors is an integer number (11739321).

Almost surely, 2^123443134 is an apocalyptic number.

123443134 is a deficient number, since it is larger than the sum of its proper divisors (64386002).

123443134 is a wasteful number, since it uses less digits than its factorization.

123443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291.

The product of its digits is 3456, while the sum is 25.

The square root of 123443134 is about 11110.4965685607. The cubic root of 123443134 is about 497.9155004666.

Adding to 123443134 its reverse (431344321), we get a palindrome (554787455).

The spelling of 123443134 in words is "one hundred twenty-three million, four hundred forty-three thousand, one hundred thirty-four".