13195423 has 4 divisors (see below), whose sum is σ = 13354488. Its totient is φ = 13036360.

The previous prime is 13195393. The next prime is 13195439. The reversal of 13195423 is 32459131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13195423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13195391 and 13195400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13192423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79408 + ... + 79573.

It is an arithmetic number, because the mean of its divisors is an integer number (3338622).

Almost surely, 2^13195423 is an apocalyptic number.

13195423 is a deficient number, since it is larger than the sum of its proper divisors (159065).

13195423 is an equidigital number, since it uses as much as digits as its factorization.

13195423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159064.

The product of its digits is 3240, while the sum is 28.

The square root of 13195423 is about 3632.5504814111. The cubic root of 13195423 is about 236.3058313593.

The spelling of 13195423 in words is "thirteen million, one hundred ninety-five thousand, four hundred twenty-three".