57123234 has 96 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 15248736.

The previous prime is 57123223. The next prime is 57123239. The reversal of 57123234 is 43232175.

57123234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57123198 and 57123207.

It is not an unprimeable number, because it can be changed into a prime (57123239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 256047 + ... + 256269.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^57123234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57123234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

57123234 is an abundant number, since it is smaller than the sum of its proper divisors (93834846).

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

57123234 is a wasteful number, since it uses less digits than its factorization.

57123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 57123234 is about 7557.9913998363. The cubic root of 57123234 is about 385.1272621397.

The spelling of 57123234 in words is "fifty-seven million, one hundred twenty-three thousand, two hundred thirty-four".