423342816 has 96 divisors (see below), whose sum is σ = 1206632448. Its totient is φ = 129185280.

The previous prime is 423342797. The next prime is 423342817. The reversal of 423342816 is 618243324.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423342817) 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, 157161 + ... + 159831.

It is an arithmetic number, because the mean of its divisors is an integer number (12569088).

Almost surely, 2^423342816 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 423342816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603316224).

423342816 is an abundant number, since it is smaller than the sum of its proper divisors (783289632).

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

423342816 is a wasteful number, since it uses less digits than its factorization.

423342816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2816 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 423342816 is about 20575.2962554613. The cubic root of 423342816 is about 750.8688100590.

It can be divided in two parts, 42334 and 2816, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 423342816 in words is "four hundred twenty-three million, three hundred forty-two thousand, eight hundred sixteen".