13420323 has 20 divisors (see below), whose sum is σ = 22912560. Its totient is φ = 7668432.

The previous prime is 13420321. The next prime is 13420331. The reversal of 13420323 is 32302431.

13420323 is a `hidden beast` number, since 1 + 342 + 0 + 323 = 666.

13420323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13420323 - 2¹ = 13420321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13420296 and 13420305.

It is not an unprimeable number, because it can be changed into a prime (13420321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11268 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (1145628).

Almost surely, 2^13420323 is an apocalyptic number.

13420323 is a deficient number, since it is larger than the sum of its proper divisors (9492237).

13420323 is an equidigital number, since it uses as much as digits as its factorization.

13420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23688 (or 23679 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13420323 is about 3663.3759020881. The cubic root of 13420323 is about 237.6407911294.

Adding to 13420323 its reverse (32302431), we get a palindrome (45722754).

The spelling of 13420323 in words is "thirteen million, four hundred twenty thousand, three hundred twenty-three".