13421023 has 8 divisors (see below), whose sum is σ = 16732800. Its totient is φ = 10457880.

The previous prime is 13421021. The next prime is 13421039. The reversal of 13421023 is 32012431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13421023 - 2¹ = 13421021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13420988 and 13421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87073 + ... + 87226.

It is an arithmetic number, because the mean of its divisors is an integer number (2091600).

Almost surely, 2^13421023 is an apocalyptic number.

13421023 is a deficient number, since it is larger than the sum of its proper divisors (3311777).

13421023 is a wasteful number, since it uses less digits than its factorization.

13421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174317.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13421023 is about 3663.4714411334. The cubic root of 13421023 is about 237.6449228149.

Adding to 13421023 its reverse (32012431), we get a palindrome (45433454).

The spelling of 13421023 in words is "thirteen million, four hundred twenty-one thousand, twenty-three".