13823403 has 24 divisors (see below), whose sum is σ = 20499024. Its totient is φ = 8279040.

The previous prime is 13823387. The next prime is 13823417. The reversal of 13823403 is 30432831.

It is not a de Polignac number, because 13823403 - 2⁴ = 13823387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13823473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40851 + ... + 41187.

It is an arithmetic number, because the mean of its divisors is an integer number (854126).

Almost surely, 2^13823403 is an apocalyptic number.

13823403 is a deficient number, since it is larger than the sum of its proper divisors (6675621).

13823403 is a wasteful number, since it uses less digits than its factorization.

13823403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13823403 is about 3717.9837277750. The cubic root of 13823403 is about 239.9965450892.

The spelling of 13823403 in words is "thirteen million, eight hundred twenty-three thousand, four hundred three".