423044011 has 12 divisors (see below), whose sum is σ = 472872000. Its totient is φ = 377900640.

The previous prime is 423044003. The next prime is 423044021. The reversal of 423044011 is 110440324.

It is not a de Polignac number, because 423044011 - 2³ = 423044003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423044011.

It is not an unprimeable number, because it can be changed into a prime (423044021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35136 + ... + 45613.

It is an arithmetic number, because the mean of its divisors is an integer number (39406000).

Almost surely, 2^423044011 is an apocalyptic number.

423044011 is a deficient number, since it is larger than the sum of its proper divisors (49827989).

423044011 is a wasteful number, since it uses less digits than its factorization.

423044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80806 (or 80793 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423044011 is about 20568.0337173975. The cubic root of 423044011 is about 750.6921083775.

Adding to 423044011 its reverse (110440324), we get a palindrome (533484335).

The spelling of 423044011 in words is "four hundred twenty-three million, forty-four thousand, eleven".