13423133 has 4 divisors (see below), whose sum is σ = 13436508. Its totient is φ = 13409760.

The previous prime is 13423117. The next prime is 13423199. The reversal of 13423133 is 33132431.

13423133 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, and also an emirpimes, since its reverse is a distinct semiprime: 33132431 = 1459 ⋅22709.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 770884 = 3557^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423133 - 2⁴ = 13423117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423103) 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, 5048 + ... + 7233.

It is an arithmetic number, because the mean of its divisors is an integer number (3359127).

Almost surely, 2^13423133 is an apocalyptic number.

It is an amenable number.

13423133 is a deficient number, since it is larger than the sum of its proper divisors (13375).

13423133 is a wasteful number, since it uses less digits than its factorization.

13423133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374.

The product of its digits is 648, while the sum is 20.

The square root of 13423133 is about 3663.7594080398. The cubic root of 13423133 is about 237.6573760264.

Adding to 13423133 its reverse (33132431), we get a palindrome (46555564).

The spelling of 13423133 in words is "thirteen million, four hundred twenty-three thousand, one hundred thirty-three".