13824923 has 4 divisors (see below), whose sum is σ = 15799920. Its totient is φ = 11849928.

The previous prime is 13824917. The next prime is 13824947. The reversal of 13824923 is 32942831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32942831 = 23 ⋅1432297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13824923 is a prime.

It is a super-2 number, since 2×13824923² = 382256991911858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13824923.

It is not an unprimeable number, because it can be changed into a prime (13824953) 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, 987488 + ... + 987501.

It is an arithmetic number, because the mean of its divisors is an integer number (3949980).

Almost surely, 2^13824923 is an apocalyptic number.

13824923 is a deficient number, since it is larger than the sum of its proper divisors (1974997).

13824923 is an equidigital number, since it uses as much as digits as its factorization.

13824923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974996.

The product of its digits is 10368, while the sum is 32.

The square root of 13824923 is about 3718.1881340244. The cubic root of 13824923 is about 240.0053413163.

The spelling of 13824923 in words is "thirteen million, eight hundred twenty-four thousand, nine hundred twenty-three".