123272133 has 16 divisors (see below), whose sum is σ = 174609600. Its totient is φ = 77137920.

The previous prime is 123272131. The next prime is 123272141. The reversal of 123272133 is 331272321.

It is not a de Polignac number, because 123272133 - 2¹ = 123272131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123272131) 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 15 ways as a sum of consecutive naturals, for example, 3708 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (10913100).

Almost surely, 2^123272133 is an apocalyptic number.

It is an amenable number.

123272133 is a deficient number, since it is larger than the sum of its proper divisors (51337467).

123272133 is a wasteful number, since it uses less digits than its factorization.

123272133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972.

The product of its digits is 1512, while the sum is 24.

The square root of 123272133 is about 11102.7984310263. The cubic root of 123272133 is about 497.6854798582.

The spelling of 123272133 in words is "one hundred twenty-three million, two hundred seventy-two thousand, one hundred thirty-three".