13804023 has 4 divisors (see below), whose sum is σ = 18405368. Its totient is φ = 9202680.

The previous prime is 13804019. The next prime is 13804027. The reversal of 13804023 is 32040831.

It is a happy number.

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 (13804019) and next prime (13804027).

It is not a de Polignac number, because 13804023 - 2² = 13804019 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 (13804027) 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, 2300668 + ... + 2300673.

It is an arithmetic number, because the mean of its divisors is an integer number (4601342).

Almost surely, 2^13804023 is an apocalyptic number.

13804023 is a deficient number, since it is larger than the sum of its proper divisors (4601345).

13804023 is an equidigital number, since it uses as much as digits as its factorization.

13804023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601344.

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

The square root of 13804023 is about 3715.3765623420. The cubic root of 13804023 is about 239.8843366283.

Adding to 13804023 its reverse (32040831), we get a palindrome (45844854).

The spelling of 13804023 in words is "thirteen million, eight hundred four thousand, twenty-three".