57228323 has 4 divisors (see below), whose sum is σ = 60240360. Its totient is φ = 54216288.

The previous prime is 57228319. The next prime is 57228331. The reversal of 57228323 is 32382275.

57228323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57228323 - 2² = 57228319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57228323.

It is not an unprimeable number, because it can be changed into a prime (57228373) 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 3 ways as a sum of consecutive naturals, for example, 1505990 + ... + 1506027.

It is an arithmetic number, because the mean of its divisors is an integer number (15060090).

Almost surely, 2^57228323 is an apocalyptic number.

57228323 is a deficient number, since it is larger than the sum of its proper divisors (3012037).

57228323 is a wasteful number, since it uses less digits than its factorization.

57228323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012036.

The product of its digits is 20160, while the sum is 32.

The square root of 57228323 is about 7564.9403831094. The cubic root of 57228323 is about 385.3632889559.

The spelling of 57228323 in words is "fifty-seven million, two hundred twenty-eight thousand, three hundred twenty-three".