133879323 has 16 divisors (see below), whose sum is σ = 182099456. Its totient is φ = 87467040.

The previous prime is 133879321. The next prime is 133879327. The reversal of 133879323 is 323978331.

It is not a de Polignac number, because 133879323 - 2¹ = 133879321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133879321) 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, 54990 + ... + 57372.

It is an arithmetic number, because the mean of its divisors is an integer number (11381216).

Almost surely, 2^133879323 is an apocalyptic number.

133879323 is a deficient number, since it is larger than the sum of its proper divisors (48220133).

133879323 is a wasteful number, since it uses less digits than its factorization.

133879323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

The product of its digits is 81648, while the sum is 39.

The square root of 133879323 is about 11570.6232762112. The cubic root of 133879323 is about 511.5693336392.

The spelling of 133879323 in words is "one hundred thirty-three million, eight hundred seventy-nine thousand, three hundred twenty-three".