133407623 has 4 divisors (see below), whose sum is σ = 133512888. Its totient is φ = 133302360.

The previous prime is 133407587. The next prime is 133407641. The reversal of 133407623 is 326704331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133407623 - 2⁶ = 133407559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133403623) 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, 50708 + ... + 53273.

It is an arithmetic number, because the mean of its divisors is an integer number (33378222).

Almost surely, 2^133407623 is an apocalyptic number.

133407623 is a deficient number, since it is larger than the sum of its proper divisors (105265).

133407623 is a wasteful number, since it uses less digits than its factorization.

133407623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105264.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 133407623 is about 11550.2217727626. The cubic root of 133407623 is about 510.9678187665.

The spelling of 133407623 in words is "one hundred thirty-three million, four hundred seven thousand, six hundred twenty-three".