133345323 has 12 divisors (see below), whose sum is σ = 193580400. Its totient is φ = 88448976.

The previous prime is 133345319. The next prime is 133345327. The reversal of 133345323 is 323543331.

It is a happy number.

133345323 is a `hidden beast` number, since 1 + 3 + 334 + 5 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (133345319) and next prime (133345327).

It is not a de Polignac number, because 133345323 - 2² = 133345319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133345327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35436 + ... + 39017.

It is an arithmetic number, because the mean of its divisors is an integer number (16131700).

Almost surely, 2^133345323 is an apocalyptic number.

133345323 is a deficient number, since it is larger than the sum of its proper divisors (60235077).

133345323 is a wasteful number, since it uses less digits than its factorization.

133345323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74658 (or 74655 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 133345323 is about 11547.5245399176. The cubic root of 133345323 is about 510.8882674612. Note that the first 3 decimals are identical.

Adding to 133345323 its reverse (323543331), we get a palindrome (456888654).

It can be divided in two parts, 1333 and 45323, that added together give a 6-th power (46656 = 6⁶).

The spelling of 133345323 in words is "one hundred thirty-three million, three hundred forty-five thousand, three hundred twenty-three".