13408023 has 16 divisors (see below), whose sum is σ = 18483200. Its totient is φ = 8639136.

The previous prime is 13408013. The next prime is 13408033. The reversal of 13408023 is 32080431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13408013) and next prime (13408033).

It is not a de Polignac number, because 13408023 - 2⁴ = 13408007 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 (13408013) 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 15 ways as a sum of consecutive naturals, for example, 21786 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (1155200).

Almost surely, 2^13408023 is an apocalyptic number.

13408023 is a deficient number, since it is larger than the sum of its proper divisors (5075177).

13408023 is a wasteful number, since it uses less digits than its factorization.

13408023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13408023 is about 3661.6967378525. The cubic root of 13408023 is about 237.5681680593.

Adding to 13408023 its reverse (32080431), we get a palindrome (45488454).

The spelling of 13408023 in words is "thirteen million, four hundred eight thousand, twenty-three".