133412323 has 4 divisors (see below), whose sum is σ = 145540728. Its totient is φ = 121283920.

The previous prime is 133412309. The next prime is 133412333. The reversal of 133412323 is 323214331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133412323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133412294 and 133412303.

It is not an unprimeable number, because it can be changed into a prime (133412333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064186 + ... + 6064207.

It is an arithmetic number, because the mean of its divisors is an integer number (36385182).

Almost surely, 2^133412323 is an apocalyptic number.

133412323 is a deficient number, since it is larger than the sum of its proper divisors (12128405).

133412323 is a wasteful number, since it uses less digits than its factorization.

133412323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128404.

The product of its digits is 1296, while the sum is 22.

The square root of 133412323 is about 11550.4252302675. The cubic root of 133412323 is about 510.9738192246.

Adding to 133412323 its reverse (323214331), we get a palindrome (456626654).

The spelling of 133412323 in words is "one hundred thirty-three million, four hundred twelve thousand, three hundred twenty-three".