423166803 has 32 divisors (see below), whose sum is σ = 610467840. Its totient is φ = 259892640.

The previous prime is 423166801. The next prime is 423166829. The reversal of 423166803 is 308661324.

It is not a de Polignac number, because 423166803 - 2¹ = 423166801 is a prime.

It is a super-2 number, since 2×423166803² = 358140286322481618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423166801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511276 + ... + 512102.

It is an arithmetic number, because the mean of its divisors is an integer number (19077120).

Almost surely, 2^423166803 is an apocalyptic number.

423166803 is a deficient number, since it is larger than the sum of its proper divisors (187301037).

423166803 is a wasteful number, since it uses less digits than its factorization.

423166803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 423166803 is about 20571.0185212109. The cubic root of 423166803 is about 750.7647328687.

The spelling of 423166803 in words is "four hundred twenty-three million, one hundred sixty-six thousand, eight hundred three".