13430023 has 4 divisors (see below), whose sum is σ = 13439320. Its totient is φ = 13420728.

The previous prime is 13430009. The next prime is 13430063. The reversal of 13430023 is 32003431.

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: 32003431 = 131 ⋅244301.

It is a cyclic number.

It is not a de Polignac number, because 13430023 - 2¹⁷ = 13298951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13429979 and 13430006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965 + ... + 5542.

It is an arithmetic number, because the mean of its divisors is an integer number (3359830).

Almost surely, 2^13430023 is an apocalyptic number.

13430023 is a deficient number, since it is larger than the sum of its proper divisors (9297).

13430023 is an equidigital number, since it uses as much as digits as its factorization.

13430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296.

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

The square root of 13430023 is about 3664.6995784102. The cubic root of 13430023 is about 237.6980316924.

Adding to 13430023 its reverse (32003431), we get a palindrome (45433454).

The spelling of 13430023 in words is "thirteen million, four hundred thirty thousand, twenty-three".