13845423 has 4 divisors (see below), whose sum is σ = 18460568. Its totient is φ = 9230280.

The previous prime is 13845421. The next prime is 13845431. The reversal of 13845423 is 32454831.

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

It is not a de Polignac number, because 13845423 - 2¹ = 13845421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845421) 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, 2307568 + ... + 2307573.

It is an arithmetic number, because the mean of its divisors is an integer number (4615142).

Almost surely, 2^13845423 is an apocalyptic number.

13845423 is a deficient number, since it is larger than the sum of its proper divisors (4615145).

13845423 is an equidigital number, since it uses as much as digits as its factorization.

13845423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615144.

The product of its digits is 11520, while the sum is 30.

The square root of 13845423 is about 3720.9438318792. The cubic root of 13845423 is about 240.1239117080.

The spelling of 13845423 in words is "thirteen million, eight hundred forty-five thousand, four hundred twenty-three".