11453 has 4 divisors (see below), whose sum is σ = 12348. Its totient is φ = 10560.

The previous prime is 11447. The next prime is 11467. The reversal of 11453 is 35411.

11453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

11453 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35411 = 17 ⋅2083.

It can be written as a sum of positive squares in 2 ways, for example, as 1849 + 9604 = 43^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453 - 2⁴ = 11437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423) 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, 428 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (3087).

2¹¹⁴⁵³ is an apocalyptic number.

11453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11453 is a deficient number, since it is larger than the sum of its proper divisors (895).

11453 is an equidigital number, since it uses as much as digits as its factorization.

11453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 60, while the sum is 14.

The square root of 11453 is about 107.0186899565. The cubic root of 11453 is about 22.5409952198.

Adding to 11453 its reverse (35411), we get a palindrome (46864).

It can be divided in two parts, 11 and 453, that added together give a palindrome (464).

The spelling of 11453 in words is "eleven thousand, four hundred fifty-three".