133023379 has 4 divisors (see below), whose sum is σ = 133125400. Its totient is φ = 132921360.

The previous prime is 133023343. The next prime is 133023391. The reversal of 133023379 is 973320331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973320331 = 61 ⋅15956071.

It is a cyclic number.

It is not a de Polignac number, because 133023379 - 2¹⁷ = 132892307 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 133023379.

It is not an unprimeable number, because it can be changed into a prime (133023179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49029 + ... + 51670.

It is an arithmetic number, because the mean of its divisors is an integer number (33281350).

Almost surely, 2^133023379 is an apocalyptic number.

133023379 is a deficient number, since it is larger than the sum of its proper divisors (102021).

133023379 is a wasteful number, since it uses less digits than its factorization.

133023379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102020.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 133023379 is about 11533.5761583301. The cubic root of 133023379 is about 510.4767795642.

The spelling of 133023379 in words is "one hundred thirty-three million, twenty-three thousand, three hundred seventy-nine".