57023 has 4 divisors (see below), whose sum is σ = 57600. Its totient is φ = 56448.

The previous prime is 56999. The next prime is 57037. The reversal of 57023 is 32075.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57023 - 2⁸ = 56767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6 and base 12.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 56992 and 57010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57073) 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, 98 + ... + 351.

It is an arithmetic number, because the mean of its divisors is an integer number (14400).

2⁵⁷⁰²³ is an apocalyptic number.

57023 is a deficient number, since it is larger than the sum of its proper divisors (577).

57023 is a wasteful number, since it uses less digits than its factorization.

57023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 57023 is about 238.7948910676. The cubic root of 57023 is about 38.4901869632.

Adding to 57023 its reverse (32075), we get a palindrome (89098).

The spelling of 57023 in words is "fifty-seven thousand, twenty-three".