13406423 has 4 divisors (see below), whose sum is σ = 13431480. Its totient is φ = 13381368.

The previous prime is 13406417. The next prime is 13406429. The reversal of 13406423 is 32460431.

It is a happy number.

13406423 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.

It is an interprime number because it is at equal distance from previous prime (13406417) and next prime (13406429).

It is a cyclic number.

It is not a de Polignac number, because 13406423 - 2¹² = 13402327 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 (13406429) 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, 11708 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (3357870).

Almost surely, 2^13406423 is an apocalyptic number.

13406423 is a deficient number, since it is larger than the sum of its proper divisors (25057).

13406423 is an equidigital number, since it uses as much as digits as its factorization.

13406423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 13406423 is about 3661.4782533835. The cubic root of 13406423 is about 237.5587178918.

Adding to 13406423 its reverse (32460431), we get a palindrome (45866854).

The spelling of 13406423 in words is "thirteen million, four hundred six thousand, four hundred twenty-three".