133550123 has 8 divisors (see below), whose sum is σ = 152890848. Its totient is φ = 114274944.

The previous prime is 133550119. The next prime is 133550141. The reversal of 133550123 is 321055331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133550123 - 2² = 133550119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133550143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11936 + ... + 20237.

It is an arithmetic number, because the mean of its divisors is an integer number (19111356).

Almost surely, 2^133550123 is an apocalyptic number.

133550123 is a deficient number, since it is larger than the sum of its proper divisors (19340725).

133550123 is an equidigital number, since it uses as much as digits as its factorization.

133550123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32773.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133550123 is about 11556.3888390794. The cubic root of 133550123 is about 511.1496849467.

The spelling of 133550123 in words is "one hundred thirty-three million, five hundred fifty thousand, one hundred twenty-three".