1423434 has 16 divisors (see below), whose sum is σ = 2895840. Its totient is φ = 466320.

The previous prime is 1423417. The next prime is 1423439. The reversal of 1423434 is 4343241.

It is a super-3 number, since 3×1423434³ = 8652333686194531512, which contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423434.

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, 1657 + ... + 2364.

It is an arithmetic number, because the mean of its divisors is an integer number (180990).

2^1423434 is an apocalyptic number.

1423434 is an abundant number, since it is smaller than the sum of its proper divisors (1472406).

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

1423434 is a wasteful number, since it uses less digits than its factorization.

1423434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its digits is 1152, while the sum is 21.

The square root of 1423434 is about 1193.0775331050. The cubic root of 1423434 is about 112.4896187952.

Adding to 1423434 its reverse (4343241), we get a palindrome (5766675).

The spelling of 1423434 in words is "one million, four hundred twenty-three thousand, four hundred thirty-four".