423166044 has 24 divisors (see below), whose sum is σ = 1128443008. Its totient is φ = 120904560.

The previous prime is 423166033. The next prime is 423166067. The reversal of 423166044 is 440661324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2518762 + ... + 2518929.

Almost surely, 2^423166044 is an apocalyptic number.

It is an amenable number.

423166044 is an abundant number, since it is smaller than the sum of its proper divisors (705276964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423166044 is a wasteful number, since it uses less digits than its factorization.

423166044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037705 (or 5037703 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 423166044 is about 20571.0000729182. Note that the first 4 decimals coincide. The cubic root of 423166044 is about 750.7642840065.

The spelling of 423166044 in words is "four hundred twenty-three million, one hundred sixty-six thousand, forty-four".