1423312 has 20 divisors (see below), whose sum is σ = 3008736. Its totient is φ = 646880.

The previous prime is 1423307. The next prime is 1423319. The reversal of 1423312 is 2133241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868 + ... + 4219.

2^1423312 is an apocalyptic number.

It is an amenable number.

1423312 is an abundant number, since it is smaller than the sum of its proper divisors (1585424).

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

1423312 is a wasteful number, since it uses less digits than its factorization.

1423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106 (or 8100 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 1423312 is about 1193.0264037313. The cubic root of 1423312 is about 112.4864049415.

Adding to 1423312 its reverse (2133241), we get a palindrome (3556553).

The spelling of 1423312 in words is "one million, four hundred twenty-three thousand, three hundred twelve".