53023 has 4 divisors (see below), whose sum is σ = 56160. Its totient is φ = 49888.

The previous prime is 53017. The next prime is 53047. The reversal of 53023 is 32035.

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 53023 - 2⁹ = 52511 is a prime.

It is a super-2 number, since 2×53023² = 5622877058, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 52994 and 53012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1543 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2⁵³⁰²³ is an apocalyptic number.

53023 is a deficient number, since it is larger than the sum of its proper divisors (3137).

53023 is a wasteful number, since it uses less digits than its factorization.

53023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 53023 is about 230.2672360541. The cubic root of 53023 is about 37.5682903773.

Adding to 53023 its reverse (32035), we get a palindrome (85058).

The spelling of 53023 in words is "fifty-three thousand, twenty-three".