13223823 has 8 divisors (see below), whose sum is σ = 17683968. Its totient is φ = 8789784.

The previous prime is 13223801. The next prime is 13223831. The reversal of 13223823 is 32832231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223823 - 2⁶ = 13223759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13223793 and 13223802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (2210496).

Almost surely, 2^13223823 is an apocalyptic number.

13223823 is a deficient number, since it is larger than the sum of its proper divisors (4460145).

13223823 is a wasteful number, since it uses less digits than its factorization.

13223823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053.

The product of its digits is 1728, while the sum is 24.

The square root of 13223823 is about 3636.4574794709. The cubic root of 13223823 is about 236.4752405221.

The spelling of 13223823 in words is "thirteen million, two hundred twenty-three thousand, eight hundred twenty-three".