1234423 has 4 divisors (see below), whose sum is σ = 1257768. Its totient is φ = 1211080.

The previous prime is 1234417. The next prime is 1234439. The reversal of 1234423 is 3244321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3244321 = 827 ⋅3923.

It is a cyclic number.

It is not a de Polignac number, because 1234423 - 2⁵ = 1234391 is a prime.

It is a d-powerful number, because it can be written as 1 + 2³ + 3⁵ + 4⁴ + 4¹⁰ + 2¹³ + 3¹¹ .

It is a Duffinian number.

1234423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234463) 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, 11593 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (314442).

2^1234423 is an apocalyptic number.

1234423 is a deficient number, since it is larger than the sum of its proper divisors (23345).

1234423 is an equidigital number, since it uses as much as digits as its factorization.

1234423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344.

The product of its digits is 576, while the sum is 19.

The square root of 1234423 is about 1111.0459036421. The cubic root of 1234423 is about 107.2724011072.

Adding to 1234423 its reverse (3244321), we get a palindrome (4478744).

The spelling of 1234423 in words is "one million, two hundred thirty-four thousand, four hundred twenty-three".