13578323 has 4 divisors (see below), whose sum is σ = 14812728. Its totient is φ = 12343920.

The previous prime is 13578317. The next prime is 13578329. The reversal of 13578323 is 32387531.

13578323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32387531 = 11 ⋅2944321.

It is an interprime number because it is at equal distance from previous prime (13578317) and next prime (13578329).

It is a cyclic number.

It is not a de Polignac number, because 13578323 - 2⁶ = 13578259 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 13578323.

It is not an unprimeable number, because it can be changed into a prime (13578329) 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, 617186 + ... + 617207.

It is an arithmetic number, because the mean of its divisors is an integer number (3703182).

Almost surely, 2^13578323 is an apocalyptic number.

13578323 is a deficient number, since it is larger than the sum of its proper divisors (1234405).

13578323 is a wasteful number, since it uses less digits than its factorization.

13578323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234404.

The product of its digits is 15120, while the sum is 32.

The square root of 13578323 is about 3684.8776099078. The cubic root of 13578323 is about 238.5697516568.

The spelling of 13578323 in words is "thirteen million, five hundred seventy-eight thousand, three hundred twenty-three".