57923140 has 24 divisors (see below), whose sum is σ = 132697152. Its totient is φ = 21062880.

The previous prime is 57923123. The next prime is 57923141. The reversal of 57923140 is 4132975.

It is not an unprimeable number, because it can be changed into a prime (57923141) 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, 131424 + ... + 131863.

It is an arithmetic number, because the mean of its divisors is an integer number (5529048).

Almost surely, 2^57923140 is an apocalyptic number.

It is an amenable number.

57923140 is an abundant number, since it is smaller than the sum of its proper divisors (74774012).

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

57923140 is a wasteful number, since it uses less digits than its factorization.

57923140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263307 (or 263305 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57923140 is about 7610.7253268003. The cubic root of 57923140 is about 386.9166025138.

The spelling of 57923140 in words is "fifty-seven million, nine hundred twenty-three thousand, one hundred forty".