13204323 has 32 divisors (see below), whose sum is σ = 22279680. Its totient is φ = 7650720.

The previous prime is 13204283. The next prime is 13204327. The reversal of 13204323 is 32340231.

It is not a de Polignac number, because 13204323 - 2⁸ = 13204067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13204296 and 13204305.

It is not an unprimeable number, because it can be changed into a prime (13204327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5865 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (696240).

Almost surely, 2^13204323 is an apocalyptic number.

13204323 is a deficient number, since it is larger than the sum of its proper divisors (9075357).

13204323 is a wasteful number, since it uses less digits than its factorization.

13204323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1970 counting only the distinct ones).

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

The square root of 13204323 is about 3633.7753095094. The cubic root of 13204323 is about 236.3589469798.

Adding to 13204323 its reverse (32340231), we get a palindrome (45544554).

The spelling of 13204323 in words is "thirteen million, two hundred four thousand, three hundred twenty-three".