13872923 has 4 divisors (see below), whose sum is σ = 13881120. Its totient is φ = 13864728.

The previous prime is 13872919. The next prime is 13872931. The reversal of 13872923 is 32927831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32927831 = 977 ⋅33703.

It is a cyclic number.

It is not a de Polignac number, because 13872923 - 2² = 13872919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13872973) 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, 515 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (3470280).

Almost surely, 2^13872923 is an apocalyptic number.

13872923 is a deficient number, since it is larger than the sum of its proper divisors (8197).

13872923 is an equidigital number, since it uses as much as digits as its factorization.

13872923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its digits is 18144, while the sum is 35.

The square root of 13872923 is about 3724.6372977781. The cubic root of 13872923 is about 240.2827858827.

The spelling of 13872923 in words is "thirteen million, eight hundred seventy-two thousand, nine hundred twenty-three".