13553423 has 4 divisors (see below), whose sum is σ = 14596008. Its totient is φ = 12510840.

The previous prime is 13553413. The next prime is 13553429. The reversal of 13553423 is 32435531.

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 13553423 - 2¹⁴ = 13537039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13553392 and 13553401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553429) 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, 521273 + ... + 521298.

It is an arithmetic number, because the mean of its divisors is an integer number (3649002).

Almost surely, 2^13553423 is an apocalyptic number.

13553423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13553423 is a deficient number, since it is larger than the sum of its proper divisors (1042585).

13553423 is a wasteful number, since it uses less digits than its factorization.

13553423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042584.

The product of its digits is 5400, while the sum is 26.

The square root of 13553423 is about 3681.4973855756. The cubic root of 13553423 is about 238.4238322702.

Adding to 13553423 its reverse (32435531), we get a palindrome (45988954).

The spelling of 13553423 in words is "thirteen million, five hundred fifty-three thousand, four hundred twenty-three".