13072323 has 16 divisors (see below), whose sum is σ = 20016000. Its totient is φ = 7505280.

The previous prime is 13072321. The next prime is 13072327. The reversal of 13072323 is 32327031.

13072323 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13072323 - 2¹ = 13072321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13072323.

It is not an unprimeable number, because it can be changed into a prime (13072321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9798 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (1251000).

Almost surely, 2^13072323 is an apocalyptic number.

13072323 is a deficient number, since it is larger than the sum of its proper divisors (6943677).

13072323 is a wasteful number, since it uses less digits than its factorization.

13072323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 13072323 is about 3615.5667605508. The cubic root of 13072323 is about 235.5687025991.

Adding to 13072323 its reverse (32327031), we get a palindrome (45399354).

The spelling of 13072323 in words is "thirteen million, seventy-two thousand, three hundred twenty-three".