423593316 has 72 divisors (see below), whose sum is σ = 1107002624. Its totient is φ = 136468800.

The previous prime is 423593299. The next prime is 423593327. The reversal of 423593316 is 613395324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216141 + ... + 218091.

Almost surely, 2^423593316 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 423593316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553501312).

423593316 is an abundant number, since it is smaller than the sum of its proper divisors (683409308).

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

423593316 is a wasteful number, since it uses less digits than its factorization.

423593316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2156 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 423593316 is about 20581.3827523809. The cubic root of 423593316 is about 751.0168819783.

The spelling of 423593316 in words is "four hundred twenty-three million, five hundred ninety-three thousand, three hundred sixteen".