133607623 has 2 divisors, whose sum is σ = 133607624. Its totient is φ = 133607622.

The previous prime is 133607603. The next prime is 133607627. The reversal of 133607623 is 326706331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133607623 - 2²¹ = 131510471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133607627) 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 as a sum of consecutive naturals, namely, 66803811 + 66803812.

It is an arithmetic number, because the mean of its divisors is an integer number (66803812).

Almost surely, 2^133607623 is an apocalyptic number.

133607623 is a deficient number, since it is larger than the sum of its proper divisors (1).

133607623 is an equidigital number, since it uses as much as digits as its factorization.

133607623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 133607623 is about 11558.8763727276. The cubic root of 133607623 is about 511.2230329130.

The spelling of 133607623 in words is "one hundred thirty-three million, six hundred seven thousand, six hundred twenty-three".