57923421 has 8 divisors (see below), whose sum is σ = 77388000. Its totient is φ = 38537232.

The previous prime is 57923401. The next prime is 57923429. The reversal of 57923421 is 12432975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57923421 - 2¹³ = 57915229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57923429) 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, 17850 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (9673500).

Almost surely, 2^57923421 is an apocalyptic number.

It is an amenable number.

57923421 is a deficient number, since it is larger than the sum of its proper divisors (19464579).

57923421 is a wasteful number, since it uses less digits than its factorization.

57923421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39195.

The product of its digits is 15120, while the sum is 33.

The square root of 57923421 is about 7610.7437875677. The cubic root of 57923421 is about 386.9172281900.

The spelling of 57923421 in words is "fifty-seven million, nine hundred twenty-three thousand, four hundred twenty-one".