423313044 has 96 divisors (see below), whose sum is σ = 1244414976. Its totient is φ = 108794880.

The previous prime is 423313043. The next prime is 423313061. The reversal of 423313044 is 440313324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423313043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87267 + ... + 91989.

It is an arithmetic number, because the mean of its divisors is an integer number (12962656).

Almost surely, 2^423313044 is an apocalyptic number.

423313044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423313044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622207488).

423313044 is an abundant number, since it is smaller than the sum of its proper divisors (821101932).

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

423313044 is a wasteful number, since it uses less digits than its factorization.

423313044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845 (or 4843 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423313044 is about 20574.5727537658. The cubic root of 423313044 is about 750.8512077838.

Adding to 423313044 its reverse (440313324), we get a palindrome (863626368).

The spelling of 423313044 in words is "four hundred twenty-three million, three hundred thirteen thousand, forty-four".