13800923 has 4 divisors (see below), whose sum is σ = 14612760. Its totient is φ = 12989088.

The previous prime is 13800883. The next prime is 13800931. The reversal of 13800923 is 32900831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32900831 = 17 ⋅1935343.

It is not a de Polignac number, because 13800923 - 2¹⁴ = 13784539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13800892 and 13800901.

It is not an unprimeable number, because it can be changed into a prime (13800953) 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, 405893 + ... + 405926.

It is an arithmetic number, because the mean of its divisors is an integer number (3653190).

Almost surely, 2^13800923 is an apocalyptic number.

13800923 is a deficient number, since it is larger than the sum of its proper divisors (811837).

13800923 is an equidigital number, since it uses as much as digits as its factorization.

13800923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811836.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 13800923 is about 3714.9593537480. The cubic root of 13800923 is about 239.8663781651.

The spelling of 13800923 in words is "thirteen million, eight hundred thousand, nine hundred twenty-three".