423206044 has 24 divisors (see below), whose sum is σ = 761857488. Its totient is φ = 205616640.

The previous prime is 423206033. The next prime is 423206051. The reversal of 423206044 is 440602324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804 + ... + 30700.

It is an arithmetic number, because the mean of its divisors is an integer number (31744062).

Almost surely, 2^423206044 is an apocalyptic number.

It is an amenable number.

423206044 is a deficient number, since it is larger than the sum of its proper divisors (338651444).

423206044 is a wasteful number, since it uses less digits than its factorization.

423206044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21045 (or 21043 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 423206044 is about 20571.9722924177. The cubic root of 423206044 is about 750.7879387283.

Adding to 423206044 its reverse (440602324), we get a palindrome (863808368).

The spelling of 423206044 in words is "four hundred twenty-three million, two hundred six thousand, forty-four".