133150323 has 4 divisors (see below), whose sum is σ = 177533768. Its totient is φ = 88766880.

The previous prime is 133150279. The next prime is 133150327. The reversal of 133150323 is 323051331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323051331 = 3 ⋅107683777.

It is not a de Polignac number, because 133150323 - 2⁹ = 133149811 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 133150323.

It is not an unprimeable number, because it can be changed into a prime (133150327) 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, 22191718 + ... + 22191723.

It is an arithmetic number, because the mean of its divisors is an integer number (44383442).

Almost surely, 2^133150323 is an apocalyptic number.

133150323 is a deficient number, since it is larger than the sum of its proper divisors (44383445).

133150323 is an equidigital number, since it uses as much as digits as its factorization.

133150323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44383444.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133150323 is about 11539.0780827586. The cubic root of 133150323 is about 510.6391103320.

The spelling of 133150323 in words is "one hundred thirty-three million, one hundred fifty thousand, three hundred twenty-three".