423606155 has 32 divisors (see below), whose sum is σ = 602321280. Its totient is φ = 279936000.

The previous prime is 423606133. The next prime is 423606163. The reversal of 423606155 is 551606324.

It is not a de Polignac number, because 423606155 - 2¹⁸ = 423344011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139655 + ... + 142655.

It is an arithmetic number, because the mean of its divisors is an integer number (18822540).

Almost surely, 2^423606155 is an apocalyptic number.

423606155 is a deficient number, since it is larger than the sum of its proper divisors (178715125).

423606155 is a wasteful number, since it uses less digits than its factorization.

423606155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 423606155 is about 20581.6946581179. The cubic root of 423606155 is about 751.0244696085.

The spelling of 423606155 in words is "four hundred twenty-three million, six hundred six thousand, one hundred fifty-five".