1423436 has 24 divisors (see below), whose sum is σ = 2946720. Its totient is φ = 588672.

The previous prime is 1423417. The next prime is 1423439. The reversal of 1423436 is 6343241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1423439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (122780).

2^1423436 is an apocalyptic number.

It is an amenable number.

1423436 is an abundant number, since it is smaller than the sum of its proper divisors (1523284).

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

1423436 is a wasteful number, since it uses less digits than its factorization.

1423436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1791 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 1423436 is about 1193.0783712732. The cubic root of 1423436 is about 112.4896714798.

Adding to 1423436 its reverse (6343241), we get a palindrome (7766677).

The spelling of 1423436 in words is "one million, four hundred twenty-three thousand, four hundred thirty-six".