1423556 has 12 divisors (see below), whose sum is σ = 2622480. Its totient is φ = 674280.

The previous prime is 1423553. The next prime is 1423579. The reversal of 1423556 is 6553241.

It is not an unprimeable number, because it can be changed into a prime (1423553) 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, 9290 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (218540).

2^1423556 is an apocalyptic number.

It is an amenable number.

1423556 is a deficient number, since it is larger than the sum of its proper divisors (1198924).

1423556 is a wasteful number, since it uses less digits than its factorization.

1423556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18754 (or 18752 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1423556 is about 1193.1286602877. The cubic root of 1423556 is about 112.4928324652.

Adding to 1423556 its reverse (6553241), we get a palindrome (7976797).

The spelling of 1423556 in words is "one million, four hundred twenty-three thousand, five hundred fifty-six".