1423008 has 84 divisors (see below), whose sum is σ = 4269258. Its totient is φ = 466560.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423008 is 8003241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 11664 = 1188^2 + 108^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1423003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 23298 + ... + 23358.

2^1423008 is an apocalyptic number.

1423008 is a gapful number since it is divisible by the number (18) 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 1423008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134629).

1423008 is an abundant number, since it is smaller than the sum of its proper divisors (2846250).

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

1423008 is an frugal number, since it uses more digits than its factorization.

1423008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1423008 is about 1192.8989898562. The cubic root of 1423008 is about 112.4783958515.

Adding to 1423008 its reverse (8003241), we get a palindrome (9426249).

The spelling of 1423008 in words is "one million, four hundred twenty-three thousand, eight".