13340023 has 4 divisors (see below), whose sum is σ = 13920048. Its totient is φ = 12760000.

The previous prime is 13340021. The next prime is 13340027. The reversal of 13340023 is 32004331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32004331 = 5351 ⋅5981.

It is a cyclic number.

It is not a de Polignac number, because 13340023 - 2¹ = 13340021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13339979 and 13340006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340021) 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, 289978 + ... + 290023.

It is an arithmetic number, because the mean of its divisors is an integer number (3480012).

Almost surely, 2^13340023 is an apocalyptic number.

13340023 is a deficient number, since it is larger than the sum of its proper divisors (580025).

13340023 is an equidigital number, since it uses as much as digits as its factorization.

13340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580024.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13340023 is about 3652.3996221662. The cubic root of 13340023 is about 237.1658710531.

Adding to 13340023 its reverse (32004331), we get a palindrome (45344354).

The spelling of 13340023 in words is "thirteen million, three hundred forty thousand, twenty-three".