1423056 has 40 divisors (see below), whose sum is σ = 3839040. Its totient is φ = 453376.

The previous prime is 1423039. The next prime is 1423061. The reversal of 1423056 is 6503241.

It is a happy number.

It is a nialpdrome in base 8.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (95976).

2^1423056 is an apocalyptic number.

1423056 is a gapful number since it is divisible by the number (16) 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 1423056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919520).

1423056 is an abundant number, since it is smaller than the sum of its proper divisors (2415984).

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

1423056 is a wasteful number, since it uses less digits than its factorization.

1423056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1423056 is about 1192.9191087412. The cubic root of 1423056 is about 112.4796605205.

Adding to 1423056 its reverse (6503241), we get a palindrome (7926297).

It can be divided in two parts, 142305 and 6, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 1423056 in words is "one million, four hundred twenty-three thousand, fifty-six".