53423 has 4 divisors (see below), whose sum is σ = 54768. Its totient is φ = 52080.

The previous prime is 53419. The next prime is 53437. The reversal of 53423 is 32435.

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 53423 - 2² = 53419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53423.

It is not an unprimeable number, because it can be changed into a prime (53453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (13692).

2⁵³⁴²³ is an apocalyptic number.

53423 is a deficient number, since it is larger than the sum of its proper divisors (1345).

53423 is a wasteful number, since it uses less digits than its factorization.

53423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 360, while the sum is 17.

The square root of 53423 is about 231.1341601754. The cubic root of 53423 is about 37.6625242353.

Adding to 53423 its reverse (32435), we get a palindrome (85858).

The spelling of 53423 in words is "fifty-three thousand, four hundred twenty-three".