13210023 has 4 divisors (see below), whose sum is σ = 17613368. Its totient is φ = 8806680.

The previous prime is 13210013. The next prime is 13210033. The reversal of 13210023 is 32001231.

It is a happy number.

13210023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13210013) and next prime (13210033).

It is not a de Polignac number, because 13210023 - 2⁵ = 13209991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13209990 and 13210008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210013) 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, 2201668 + ... + 2201673.

It is an arithmetic number, because the mean of its divisors is an integer number (4403342).

Almost surely, 2^13210023 is an apocalyptic number.

13210023 is a deficient number, since it is larger than the sum of its proper divisors (4403345).

13210023 is an equidigital number, since it uses as much as digits as its factorization.

13210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403344.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13210023 is about 3634.5595331484. The cubic root of 13210023 is about 236.3929523124.

Adding to 13210023 its reverse (32001231), we get a palindrome (45211254).

The spelling of 13210023 in words is "thirteen million, two hundred ten thousand, twenty-three".