133312323 has 8 divisors (see below), whose sum is σ = 178186000. Its totient is φ = 88656768.

The previous prime is 133312297. The next prime is 133312337. The reversal of 133312323 is 323213331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-133312323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133312323.

It is not an unprimeable number, because it can be changed into a prime (133312343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53098 + ... + 55551.

It is an arithmetic number, because the mean of its divisors is an integer number (22273250).

Almost surely, 2^133312323 is an apocalyptic number.

133312323 is a deficient number, since it is larger than the sum of its proper divisors (44873677).

133312323 is a wasteful number, since it uses less digits than its factorization.

133312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109061.

The product of its digits is 972, while the sum is 21.

The square root of 133312323 is about 11546.0955738293. The cubic root of 133312323 is about 510.8461194917.

Adding to 133312323 its reverse (323213331), we get a palindrome (456525654).

The spelling of 133312323 in words is "one hundred thirty-three million, three hundred twelve thousand, three hundred twenty-three".