1244423 has 2 divisors, whose sum is σ = 1244424. Its totient is φ = 1244422.

The previous prime is 1244401. The next prime is 1244429. The reversal of 1244423 is 3244421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244423 - 2⁶ = 1244359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244395 and 1244404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622211 + 622212.

It is an arithmetic number, because the mean of its divisors is an integer number (622212).

2^1244423 is an apocalyptic number.

1244423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244423 is an equidigital number, since it uses as much as digits as its factorization.

1244423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 20.

The square root of 1244423 is about 1115.5370903740. The cubic root of 1244423 is about 107.5612918907.

Adding to 1244423 its reverse (3244421), we get a palindrome (4488844).

The spelling of 1244423 in words is "one million, two hundred forty-four thousand, four hundred twenty-three".