1423264 has 24 divisors (see below), whose sum is σ = 2842560. Its totient is φ = 701376.

The previous prime is 1423259. The next prime is 1423273. The reversal of 1423264 is 4623241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (118440).

2^1423264 is an apocalyptic number.

It is an amenable number.

1423264 is a deficient number, since it is larger than the sum of its proper divisors (1419296).

1423264 is an equidigital number, since it uses as much as digits as its factorization.

1423264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1423264 is about 1193.0062866557. The cubic root of 1423264 is about 112.4851404242.

The spelling of 1423264 in words is "one million, four hundred twenty-three thousand, two hundred sixty-four".