423449712 has 120 divisors (see below), whose sum is σ = 1361817600. Its totient is φ = 120320640.

The previous prime is 423449707. The next prime is 423449723. The reversal of 423449712 is 217944324.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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

It is a congruent number.

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, 199537 + ... + 201647.

It is an arithmetic number, because the mean of its divisors is an integer number (11348480).

Almost surely, 2^423449712 is an apocalyptic number.

423449712 is a gapful number since it is divisible by the number (42) 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 423449712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680908800).

423449712 is an abundant number, since it is smaller than the sum of its proper divisors (938367888).

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

423449712 is a wasteful number, since it uses less digits than its factorization.

423449712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2322 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 423449712 is about 20577.8937697715. The cubic root of 423449712 is about 750.9320040116.

The spelling of 423449712 in words is "four hundred twenty-three million, four hundred forty-nine thousand, seven hundred twelve".