1423618 has 16 divisors (see below), whose sum is σ = 2481984. Its totient is φ = 599760.

The previous prime is 1423607. The next prime is 1423627. The reversal of 1423618 is 8163241.

It is a junction number, because it is equal to n+sod(n) for n = 1423592 and 1423601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (155124).

2^1423618 is an apocalyptic number.

1423618 is a deficient number, since it is larger than the sum of its proper divisors (1058366).

1423618 is a wasteful number, since it uses less digits than its factorization.

1423618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its digits is 1152, while the sum is 25.

The square root of 1423618 is about 1193.1546421148. The cubic root of 1423618 is about 112.4944655714.

Adding to 1423618 its reverse (8163241), we get a palindrome (9586859).

It can be divided in two parts, 14 and 23618, that added together give a palindrome (23632).

The spelling of 1423618 in words is "one million, four hundred twenty-three thousand, six hundred eighteen".