133012323 has 24 divisors (see below), whose sum is σ = 199626336. Its totient is φ = 85276800.

The previous prime is 133012309. The next prime is 133012333. The reversal of 133012323 is 323210331.

133012323 is a `hidden beast` number, since 1 + 330 + 12 + 323 = 666.

It is not a de Polignac number, because 133012323 - 2⁶ = 133012259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133012296 and 133012305.

It is not an unprimeable number, because it can be changed into a prime (133012333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23661 + ... + 28737.

It is an arithmetic number, because the mean of its divisors is an integer number (8317764).

Almost surely, 2^133012323 is an apocalyptic number.

133012323 is a deficient number, since it is larger than the sum of its proper divisors (66614013).

133012323 is a wasteful number, since it uses less digits than its factorization.

133012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 133012323 is about 11533.0968521035. The cubic root of 133012323 is about 510.4626367178.

Adding to 133012323 its reverse (323210331), we get a palindrome (456222654).

The spelling of 133012323 in words is "one hundred thirty-three million, twelve thousand, three hundred twenty-three".