423403316 has 48 divisors (see below), whose sum is σ = 872054400. Its totient is φ = 179786880.

The previous prime is 423403303. The next prime is 423403319. The reversal of 423403316 is 613304324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423403319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153671 + ... + 156401.

It is an arithmetic number, because the mean of its divisors is an integer number (18167800).

Almost surely, 2^423403316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423403316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436027200).

423403316 is an abundant number, since it is smaller than the sum of its proper divisors (448651084).

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

423403316 is a wasteful number, since it uses less digits than its factorization.

423403316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 423403316 is about 20576.7664126315. The cubic root of 423403316 is about 750.9045772887.

The spelling of 423403316 in words is "four hundred twenty-three million, four hundred three thousand, three hundred sixteen".