13475823 has 4 divisors (see below), whose sum is σ = 17967768. Its totient is φ = 8983880.

The previous prime is 13475809. The next prime is 13475827. The reversal of 13475823 is 32857431.

13475823 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 13475823 - 2¹² = 13471727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13475827) 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, 2245968 + ... + 2245973.

It is an arithmetic number, because the mean of its divisors is an integer number (4491942).

Almost surely, 2^13475823 is an apocalyptic number.

13475823 is a deficient number, since it is larger than the sum of its proper divisors (4491945).

13475823 is an equidigital number, since it uses as much as digits as its factorization.

13475823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491944.

The product of its digits is 20160, while the sum is 33.

The square root of 13475823 is about 3670.9430668426. The cubic root of 13475823 is about 237.9679299113.

It can be divided in two parts, 1347582 and 3, that multiplied together give a triangular number (4042746 = T₂₈₄₃).

The spelling of 13475823 in words is "thirteen million, four hundred seventy-five thousand, eight hundred twenty-three".