57438423 has 16 divisors (see below), whose sum is σ = 97250560. Its totient is φ = 32821848.

The previous prime is 57438421. The next prime is 57438449. The reversal of 57438423 is 32483475.

It is a happy number.

57438423 is a `hidden beast` number, since 574 + 3 + 84 + 2 + 3 = 666.

It is not a de Polignac number, because 57438423 - 2¹ = 57438421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57438421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151765 + ... + 152142.

It is an arithmetic number, because the mean of its divisors is an integer number (6078160).

Almost surely, 2^57438423 is an apocalyptic number.

57438423 is a deficient number, since it is larger than the sum of its proper divisors (39812137).

57438423 is a wasteful number, since it uses less digits than its factorization.

57438423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303923 (or 303917 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 57438423 is about 7578.8140892886. The cubic root of 57438423 is about 385.8343025112.

The spelling of 57438423 in words is "fifty-seven million, four hundred thirty-eight thousand, four hundred twenty-three".