133000323 has 16 divisors (see below), whose sum is σ = 192691200. Its totient is φ = 81289440.

The previous prime is 133000321. The next prime is 133000349. The reversal of 133000323 is 323000331.

It is not a de Polignac number, because 133000323 - 2¹ = 133000321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133000321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35868 + ... + 39401.

It is an arithmetic number, because the mean of its divisors is an integer number (12043200).

Almost surely, 2^133000323 is an apocalyptic number.

133000323 is a deficient number, since it is larger than the sum of its proper divisors (59690877).

133000323 is a wasteful number, since it uses less digits than its factorization.

133000323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75322.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 133000323 is about 11532.5765984883. The cubic root of 133000323 is about 510.4472854187.

Adding to 133000323 its reverse (323000331), we get a palindrome (456000654).

The spelling of 133000323 in words is "one hundred thirty-three million, three hundred twenty-three", and thus it is an aban number.