13723323 has 4 divisors (see below), whose sum is σ = 18297768. Its totient is φ = 9148880.

The previous prime is 13723309. The next prime is 13723357. The reversal of 13723323 is 32332731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32332731 = 3 ⋅10777577.

It is a cyclic number.

It is not a de Polignac number, because 13723323 - 2⁵ = 13723291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13723293 and 13723302.

It is not an unprimeable number, because it can be changed into a prime (13723363) 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, 2287218 + ... + 2287223.

It is an arithmetic number, because the mean of its divisors is an integer number (4574442).

Almost surely, 2^13723323 is an apocalyptic number.

13723323 is a deficient number, since it is larger than the sum of its proper divisors (4574445).

13723323 is an equidigital number, since it uses as much as digits as its factorization.

13723323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574444.

The product of its digits is 2268, while the sum is 24.

The square root of 13723323 is about 3704.5003711702. The cubic root of 13723323 is about 239.4159583558.

The spelling of 13723323 in words is "thirteen million, seven hundred twenty-three thousand, three hundred twenty-three".